gdc: add a new handle interface [1/1]

PD#173042

Problem:
user app need a new ioctl interface to handle image

Solution:
add a new ioctl cmd GDC_HANDLE to handle image

Verify:
verify by keke.li

Change-Id: I79ddc01962e4b2a40130ecd32cfebe5c1a7133e6
Signed-off-by: Keke Li <keke.li@amlogic.com>

diff --git a/drivers/amlogic/media/gdc/app/gdc_module.c b/drivers/amlogic/media/gdc/app/gdc_module.c
index 7e9ad5f..e48c1d2 100644 (file)
--- a/drivers/amlogic/media/gdc/app/gdc_module.c
+++ b/drivers/amlogic/media/gdc/app/gdc_module.c
@@ -388,6 +388,38 @@ static long meson_gdc_ioctl(struct file *file, unsigned int cmd,
                                        fh->o_paddr, fh->o_len);
                mutex_unlock(&fh->gdev->d_mutext);
        break;
+       case GDC_HANDLE:
+               ret = copy_from_user(gs, argp, sizeof(*gs));
+               if (ret < 0)
+                       LOG(LOG_ERR, "copy from user failed\n");
+
+               gs->buffer_addr = fh->o_paddr;
+               gs->buffer_size = fh->o_len;
+
+               gs->base_gdc = 0;
+               gs->current_addr = gs->buffer_addr;
+
+               gc->config_addr = fh->c_paddr;
+
+               gs->fh = fh;
+
+               mutex_lock(&fh->gdev->d_mutext);
+               meson_gdc_dma_flush(&fh->gdev->pdev->dev,
+                                       fh->c_paddr, fh->c_len);
+               ret = gdc_run(gs);
+               if (ret < 0)
+                       LOG(LOG_ERR, "gdc process failed ret = %ld\n", ret);
+
+               ret = wait_for_completion_timeout(&fh->gdev->d_com,
+                                               msecs_to_jiffies(40));
+               if (ret == 0)
+                       LOG(LOG_ERR, "gdc timeout\n");
+
+               gdc_stop(gs);
+               meson_gdc_cache_flush(&fh->gdev->pdev->dev,
+                                       fh->o_paddr, fh->o_len);
+               mutex_unlock(&fh->gdev->d_mutext);
+       break;
        case GDC_REQUEST_BUFF:
                ret = copy_from_user(&buf_cfg, argp, sizeof(buf_cfg));
                if (ret < 0 || buf_cfg.type >= GDC_BUFF_TYPE_MAX) {

diff --git a/drivers/amlogic/media/gdc/inc/api/gdc_api.h b/drivers/amlogic/media/gdc/inc/api/gdc_api.h
index da66a02..30554c2 100644 (file)
--- a/drivers/amlogic/media/gdc/inc/api/gdc_api.h
+++ b/drivers/amlogic/media/gdc/inc/api/gdc_api.h
@@ -86,6 +86,7 @@ struct gdc_settings {
 #define GDC_PROCESS_NO_BLOCK   _IOW(GDC_IOC_MAGIC, 0x01, struct gdc_settings)
 #define GDC_RUN        _IOW(GDC_IOC_MAGIC, 0x02, struct gdc_settings)
 #define GDC_REQUEST_BUFF _IOW(GDC_IOC_MAGIC, 0x03, struct gdc_settings)
+#define GDC_HANDLE _IOW(GDC_IOC_MAGIC, 0x04, struct gdc_settings)
 
 enum {
        INPUT_BUFF_TYPE = 0x1000,