From: keke.li <keke.li@amlogic.com>
Date: Fri, 19 Oct 2018 05:58:38 +0000 (+0800)
Subject: gdc: add a new handle interface [1/1]
X-Git-Tag: khadas-vims-v0.9.6-release~1255
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a840cbfec7f9706163f85f0f59b175b6f69e6327;p=platform%2Fkernel%2Flinux-amlogic.git

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
--- 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
--- 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,