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path: root/drivers/media/platform/s5p-mfc
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Diffstat (limited to 'drivers/media/platform/s5p-mfc')
-rw-r--r--drivers/media/platform/s5p-mfc/s5p_mfc.c29
-rw-r--r--drivers/media/platform/s5p-mfc/s5p_mfc_common.h10
-rw-r--r--drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c149
-rw-r--r--drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h3
4 files changed, 94 insertions, 97 deletions
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
index 3930177db12..9a679fab73e 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
@@ -793,14 +793,16 @@ 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;
@@ -849,17 +851,16 @@ 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:
+err_load_fw:
dev->ctx[ctx->num] = NULL;
del_timer_sync(&dev->watchdog_timer);
- s5p_mfc_clock_off();
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);
}
err_ctrls_setup:
s5p_mfc_dec_ctrls_delete(ctx);
@@ -917,11 +918,8 @@ 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");
@@ -1149,6 +1147,10 @@ static int s5p_mfc_probe(struct platform_device *pdev)
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;
@@ -1230,6 +1232,8 @@ 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]);
@@ -1255,6 +1259,7 @@ static int __devexit 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]);
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
index 3b9b600a618..0df6454e407 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_common.h
@@ -278,8 +278,9 @@ struct s5p_mfc_priv_buf {
* @int_err: error number for last interrupt
* @queue: waitqueue for waiting for completion of device commands
* @fw_size: size of firmware
- * @bank1: address of the beggining of bank 1 memory
- * @bank2: address of the beggining of bank 2 memory
+ * @fw_virt_addr: virtual firmware address
+ * @bank1: address of the beginning of bank 1 memory
+ * @bank2: address of the beginning of bank 2 memory
* @hw_lock: used for hardware locking
* @ctx: array of driver contexts
* @curr_ctx: number of the currently running context
@@ -318,8 +319,9 @@ struct s5p_mfc_dev {
unsigned int int_err;
wait_queue_head_t queue;
size_t fw_size;
- size_t bank1;
- size_t bank2;
+ void *fw_virt_addr;
+ dma_addr_t bank1;
+ dma_addr_t bank2;
unsigned long hw_lock;
struct s5p_mfc_ctx *ctx[MFC_NUM_CONTEXTS];
int curr_ctx;
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
index 585b7b0ed8e..1682271c245 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c
@@ -22,16 +22,64 @@
#include "s5p_mfc_opr.h"
#include "s5p_mfc_pm.h"
-static void *s5p_mfc_bitproc_buf;
-static size_t s5p_mfc_bitproc_phys;
-static unsigned char *s5p_mfc_bitproc_virt;
+/* Allocate memory for firmware */
+int s5p_mfc_alloc_firmware(struct s5p_mfc_dev *dev)
+{
+ void *bank2_virt;
+ dma_addr_t bank2_dma_addr;
+
+ dev->fw_size = dev->variant->buf_size->fw;
+
+ if (dev->fw_virt_addr) {
+ mfc_err("Attempting to allocate firmware when it seems that it is already loaded\n");
+ return -ENOMEM;
+ }
+
+ dev->fw_virt_addr = dma_alloc_coherent(dev->mem_dev_l, dev->fw_size,
+ &dev->bank1, GFP_KERNEL);
+
+ if (IS_ERR(dev->fw_virt_addr)) {
+ dev->fw_virt_addr = NULL;
+ mfc_err("Allocating bitprocessor buffer failed\n");
+ return -ENOMEM;
+ }
+
+ dev->bank1 = dev->bank1;
+
+ if (HAS_PORTNUM(dev) && IS_TWOPORT(dev)) {
+ bank2_virt = dma_alloc_coherent(dev->mem_dev_r, 1 << MFC_BASE_ALIGN_ORDER,
+ &bank2_dma_addr, GFP_KERNEL);
+
+ if (IS_ERR(dev->fw_virt_addr)) {
+ mfc_err("Allocating bank2 base failed\n");
+ dma_free_coherent(dev->mem_dev_l, dev->fw_size,
+ dev->fw_virt_addr, dev->bank1);
+ dev->fw_virt_addr = NULL;
+ return -ENOMEM;
+ }
+
+ /* Valid buffers passed to MFC encoder with LAST_FRAME command
+ * should not have address of bank2 - MFC will treat it as a null frame.
+ * To avoid such situation we set bank2 address below the pool address.
+ */
+ dev->bank2 = bank2_dma_addr - (1 << MFC_BASE_ALIGN_ORDER);
+
+ dma_free_coherent(dev->mem_dev_r, 1 << MFC_BASE_ALIGN_ORDER,
+ bank2_virt, bank2_dma_addr);
+
+ } else {
+ /* In this case bank2 can point to the same address as bank1.
+ * Firmware will always occupy the beggining of this area so it is
+ * impossible having a video frame buffer with zero address. */
+ dev->bank2 = dev->bank1;
+ }
+ return 0;
+}
-/* Allocate and load firmware */
-int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
+/* Load firmware */
+int s5p_mfc_load_firmware(struct s5p_mfc_dev *dev)
{
struct firmware *fw_blob;
- size_t bank2_base_phys;
- void *b_base;
int err;
/* Firmare has to be present as a separate file or compiled
@@ -44,77 +92,17 @@ int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev)
mfc_err("Firmware is not present in the /lib/firmware directory nor compiled in kernel\n");
return -EINVAL;
}
- dev->fw_size = dev->variant->buf_size->fw;
if (fw_blob->size > dev->fw_size) {
mfc_err("MFC firmware is too big to be loaded\n");
release_firmware(fw_blob);
return -ENOMEM;
}
- if (s5p_mfc_bitproc_buf) {
- mfc_err("Attempting to allocate firmware when it seems that it is already loaded\n");
- release_firmware(fw_blob);
- return -ENOMEM;
- }
- s5p_mfc_bitproc_buf = vb2_dma_contig_memops.alloc(
- dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], dev->fw_size);
- if (IS_ERR(s5p_mfc_bitproc_buf)) {
- s5p_mfc_bitproc_buf = NULL;
- mfc_err("Allocating bitprocessor buffer failed\n");
+ if (!dev->fw_virt_addr) {
+ mfc_err("MFC firmware is not allocated\n");
release_firmware(fw_blob);
- return -ENOMEM;
- }
- s5p_mfc_bitproc_phys = s5p_mfc_mem_cookie(
- dev->alloc_ctx[MFC_BANK1_ALLOC_CTX], s5p_mfc_bitproc_buf);
- if (s5p_mfc_bitproc_phys & ((1 << MFC_BASE_ALIGN_ORDER) - 1)) {
- mfc_err("The base memory for bank 1 is not aligned to 128KB\n");
- vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
- s5p_mfc_bitproc_phys = 0;
- s5p_mfc_bitproc_buf = NULL;
- release_firmware(fw_blob);
- return -EIO;
- }
- s5p_mfc_bitproc_virt = vb2_dma_contig_memops.vaddr(s5p_mfc_bitproc_buf);
- if (!s5p_mfc_bitproc_virt) {
- mfc_err("Bitprocessor memory remap failed\n");
- vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
- s5p_mfc_bitproc_phys = 0;
- s5p_mfc_bitproc_buf = NULL;
- release_firmware(fw_blob);
- return -EIO;
- }
- dev->bank1 = s5p_mfc_bitproc_phys;
- if (HAS_PORTNUM(dev) && IS_TWOPORT(dev)) {
- b_base = vb2_dma_contig_memops.alloc(
- dev->alloc_ctx[MFC_BANK2_ALLOC_CTX],
- 1 << MFC_BASE_ALIGN_ORDER);
- if (IS_ERR(b_base)) {
- vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
- s5p_mfc_bitproc_phys = 0;
- s5p_mfc_bitproc_buf = NULL;
- mfc_err("Allocating bank2 base failed\n");
- release_firmware(fw_blob);
- return -ENOMEM;
- }
- bank2_base_phys = s5p_mfc_mem_cookie(
- dev->alloc_ctx[MFC_BANK2_ALLOC_CTX], b_base);
- vb2_dma_contig_memops.put(b_base);
- if (bank2_base_phys & ((1 << MFC_BASE_ALIGN_ORDER) - 1)) {
- mfc_err("The base memory for bank 2 is not aligned to 128KB\n");
- vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
- s5p_mfc_bitproc_phys = 0;
- s5p_mfc_bitproc_buf = NULL;
- release_firmware(fw_blob);
- return -EIO;
- }
- /* Valid buffers passed to MFC encoder with LAST_FRAME command
- * should not have address of bank2 - MFC will treat it as a null frame.
- * To avoid such situation we set bank2 address below the pool address.
- */
- dev->bank2 = bank2_base_phys - (1 << MFC_BASE_ALIGN_ORDER);
- } else {
- dev->bank2 = dev->bank1;
+ return -EINVAL;
}
- memcpy(s5p_mfc_bitproc_virt, fw_blob->data, fw_blob->size);
+ memcpy(dev->fw_virt_addr, fw_blob->data, fw_blob->size);
wmb();
release_firmware(fw_blob);
mfc_debug_leave();
@@ -142,12 +130,12 @@ int s5p_mfc_reload_firmware(struct s5p_mfc_dev *dev)
release_firmware(fw_blob);
return -ENOMEM;
}
- if (s5p_mfc_bitproc_buf == NULL || s5p_mfc_bitproc_phys == 0) {
- mfc_err("MFC firmware is not allocated or was not mapped correctly\n");
+ if (dev->fw_virt_addr) {
+ mfc_err("MFC firmware is not allocated\n");
release_firmware(fw_blob);
return -EINVAL;
}
- memcpy(s5p_mfc_bitproc_virt, fw_blob->data, fw_blob->size);
+ memcpy(dev->fw_virt_addr, fw_blob->data, fw_blob->size);
wmb();
release_firmware(fw_blob);
mfc_debug_leave();
@@ -159,12 +147,11 @@ int s5p_mfc_release_firmware(struct s5p_mfc_dev *dev)
{
/* Before calling this function one has to make sure
* that MFC is no longer processing */
- if (!s5p_mfc_bitproc_buf)
+ if (!dev->fw_virt_addr)
return -EINVAL;
- vb2_dma_contig_memops.put(s5p_mfc_bitproc_buf);
- s5p_mfc_bitproc_virt = NULL;
- s5p_mfc_bitproc_phys = 0;
- s5p_mfc_bitproc_buf = NULL;
+ dma_free_coherent(dev->mem_dev_l, dev->fw_size, dev->fw_virt_addr,
+ dev->bank1);
+ dev->fw_virt_addr = NULL;
return 0;
}
@@ -257,8 +244,10 @@ int s5p_mfc_init_hw(struct s5p_mfc_dev *dev)
int ret;
mfc_debug_enter();
- if (!s5p_mfc_bitproc_buf)
+ if (!dev->fw_virt_addr) {
+ mfc_err("Firmware memory is not allocated.\n");
return -EINVAL;
+ }
/* 0. MFC reset */
mfc_debug(2, "MFC reset..\n");
diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h
index 90aa9b9886d..6a9b6f8606b 100644
--- a/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h
+++ b/drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.h
@@ -16,7 +16,8 @@
#include "s5p_mfc_common.h"
int s5p_mfc_release_firmware(struct s5p_mfc_dev *dev);
-int s5p_mfc_alloc_and_load_firmware(struct s5p_mfc_dev *dev);
+int s5p_mfc_alloc_firmware(struct s5p_mfc_dev *dev);
+int s5p_mfc_load_firmware(struct s5p_mfc_dev *dev);
int s5p_mfc_reload_firmware(struct s5p_mfc_dev *dev);
int s5p_mfc_init_hw(struct s5p_mfc_dev *dev);
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-18 06:53:38 +0000