diff options
Diffstat (limited to 'drivers/media/sprd_gsp/scaler_coef_cal.h')
| -rw-r--r-- | drivers/media/sprd_gsp/scaler_coef_cal.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/media/sprd_gsp/scaler_coef_cal.h b/drivers/media/sprd_gsp/scaler_coef_cal.h new file mode 100644 index 00000000..9eee8e70 --- /dev/null +++ b/drivers/media/sprd_gsp/scaler_coef_cal.h @@ -0,0 +1,72 @@ +/*
+ * Copyright (C) 2012 Spreadtrum Communications Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef SCALER_COEF_CAL_
+#define SCALER_COEF_CAL_
+//#include "sci_types.h"
+#include <linux/types.h>
+#include "gsp_config_if.h"
+
+#ifndef COUNT
+#define COUNT 256
+#endif
+
+#define GSP_COEFF_BUF_SIZE (8 << 10)
+#define GSP_COEFF_COEF_SIZE (1 << 10)
+#define GSP_COEFF_POOL_SIZE (6 << 10)
+
+
+
+/**---------------------------------------------------------------------------*
+ ** Public Functions *
+ **---------------------------------------------------------------------------*/
+/****************************************************************************/
+/* Purpose: generate scale factor */
+/* Author: */
+/* Input: */
+/* i_w: source image width */
+/* i_h: source image height */
+/* o_w: target image width */
+/* o_h: target image height */
+/* Output: */
+/* coeff_h_ptr: pointer of horizontal coefficient buffer, the size of which must be at */
+/* least SCALER_COEF_TAP_NUM_HOR * 4 bytes */
+/* the output coefficient will be located in coeff_h_ptr[0], ......, */
+/* coeff_h_ptr[SCALER_COEF_TAP_NUM_HOR-1] */
+/* coeff_v_ptr: pointer of vertical coefficient buffer, the size of which must be at */
+/* least (SCALER_COEF_TAP_NUM_VER + 1) * 4 bytes */
+/* the output coefficient will be located in coeff_v_ptr[0], ......, */
+/* coeff_h_ptr[SCALER_COEF_TAP_NUM_VER-1] and the tap number */
+/* will be located in coeff_h_ptr[SCALER_COEF_TAP_NUM_VER] */
+/* temp_buf_ptr: temp buffer used while generate the coefficient */
+/* temp_buf_ptr: temp buffer size, 6k is the suggest size */
+/* Return: */
+/* Note: */
+/****************************************************************************/
+uint8_t GSP_Gen_Block_Ccaler_Coef(uint32_t i_w,
+ uint32_t i_h,
+ uint32_t o_w,
+ uint32_t o_h,
+ uint32_t hor_tap,
+ uint32_t ver_tap,
+ uint32_t *coeff_h_ptr,
+ uint32_t *coeff_v_ptr,
+ void *temp_buf_ptr,
+ uint32_t temp_buf_size,
+ gsp_context_t *gspCtx);
+
+void GSP_Scale_Coef_Tab_Config(uint32_t *p_h_coeff,uint32_t *p_v_coeff);
+#endif
+
+
+
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