MLK-10475-5 mxc IPUv3: Add PRE support

This patch adds PRE support.

Signed-off-by: Liu Ying <Ying.Liu@freescale.com>

1 files changed, 137 insertions, 0 deletions

diff --git a/include/linux/ipu-v3-pre.h b/include/linux/ipu-v3-pre.h
new file mode 100644
index 000000000000..c3fd1fccd802
--- /dev/null
+++ b/include/linux/ipu-v3-pre.h
@@ -0,0 +1,137 @@
+/*
+ * Copyright (C) 2014-2015 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+ */
+#ifndef __LINUX_IPU_V3_PRE_H_
+#define __LINUX_IPU_V3_PRE_H_
+
+#define IPU_PRE_MAX_WIDTH	1920
+#define IPU_PRE_MAX_BPP		4
+
+struct ipu_rect {
+	int left;
+	int top;
+	int width;
+	int height;
+};
+
+struct ipu_pre_context {
+	bool repeat;
+	bool vflip;
+	bool handshake_en;
+	bool hsk_abort_en;
+	unsigned int hsk_line_num;
+	bool sdw_update;
+	unsigned int block_size;
+	unsigned int interlaced;
+	unsigned int prefetch_mode;
+
+	unsigned long cur_buf;
+	unsigned long next_buf;
+
+	unsigned int tile_fmt;
+
+	unsigned int read_burst;
+	unsigned int prefetch_input_bpp;
+	unsigned int prefetch_input_pixel_fmt;
+	unsigned int prefetch_shift_offset;
+	unsigned int prefetch_shift_width;
+	bool shift_bypass;
+	bool field_inverse;
+	bool tpr_coor_offset_en;
+	/* the output of prefetch is
+	 * also the input of store
+	 */
+	struct ipu_rect prefetch_output_size;
+	unsigned int prefetch_input_active_width;
+	unsigned int prefetch_input_width;
+	unsigned int prefetch_input_height;
+	unsigned int store_pitch;
+	int interlace_offset;
+
+	bool store_en;
+	unsigned int write_burst;
+	unsigned int store_output_bpp;
+
+	unsigned int sec_buf_off;
+	unsigned int trd_buf_off;
+
+	/* return for IPU fb caller */
+	unsigned long store_addr;
+};
+
+#ifdef CONFIG_MXC_IPU_V3_PRE
+int ipu_pre_alloc(int ipu_id, ipu_channel_t ipu_ch);
+void ipu_pre_free(unsigned int *id);
+unsigned long ipu_pre_alloc_double_buffer(unsigned int id, unsigned int size);
+void ipu_pre_free_double_buffer(unsigned int id);
+int ipu_pre_config(int id, struct ipu_pre_context *config);
+int ipu_pre_enable(int id);
+void ipu_pre_disable(int id);
+int ipu_pre_set_fb_buffer(int id, unsigned long fb_paddr,
+			  unsigned int x_crop,
+			  unsigned int y_crop,
+			  unsigned int sec_buf_off,
+			  unsigned int trd_buf_off);
+int ipu_pre_sdw_update(int id);
+#else
+int ipu_pre_alloc(int ipu_id, ipu_channel_t channel)
+{
+	return -ENODEV;
+}
+
+void ipu_pre_free(unsigned int *id)
+{
+}
+
+unsigned long ipu_pre_alloc_double_buffer(unsigned int id, unsigned int size)
+{
+	return -ENODEV;
+}
+
+void ipu_pre_free_double_buffer(unsigned int id)
+{
+}
+
+int ipu_pre_config(int id, struct ipu_pre_context *config)
+{
+	return -ENODEV;
+}
+
+int ipu_pre_enable(int id)
+{
+	return -ENODEV;
+}
+
+void ipu_pre_disable(int id)
+{
+	return;
+}
+
+int ipu_pre_set_fb_buffer(int id, unsigned long fb_paddr,
+			  unsigned int x_crop,
+			  unsigned int y_crop,
+			  unsigned int sec_buf_off,
+			  unsigned int trd_buf_off)
+{
+	return -ENODEV;
+}
+int ipu_pre_sdw_update(int id)
+{
+	return -ENODEV;
+}
+#endif
+#endif /* __LINUX_IPU_V3_PRE_H_ */