1 files changed, 197 insertions, 0 deletions
diff --git a/drivers/video/mxc/eink_processing2.h b/drivers/video/mxc/eink_processing2.h
new file mode 100644
index 00000000..7278d7ac
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+++ b/drivers/video/mxc/eink_processing2.h
@@ -0,0 +1,197 @@
+/*
+ * Copyright (C) 2012 - 2013 Freescale Semiconductor, Inc. All Rights Reserved.
+ * THIS SOURCE CODE IS CONFIDENTIAL AND PROPRIETARY AND MAY NOT
+ * BE USED OR DISTRIBUTED WITHOUT THE WRITTEN PERMISSION OF
+ * Freescale Semiconductor, Inc.
+ */
+
+#ifndef __EINK_PROCESSING_H__
+#define __EINK_PROCESSING_H__
+
+#include <linux/mxcfb.h>
+
+#define WAVEFORM_SET_ALGO_DATA	1
+#define WAVEFORM_RESTORE_DEFAULT_PMM	2
+
+/*
+ * select a version according to SoCs on the platform
+ * i.MX6SL has Cortex A9 core
+ * i.MX508 has Cortex A8 core
+ * The algorithms are not compatible
+ * so use care to select proper lib.1_shipped for the correct core
+ * for the target platform.
+ */
+#undef IMX6SL_AA
+#define IMX508_AA
+
+/*
+ * E-ink Gen II waveform algorithm aa implementation - version 2.2.1
+ *
+ * Function Name:
+ *	int do_aa_processing ( .. )
+ * input parameters:
+ * 	unsigned short *working_buffer_ptr_in,
+ *	unsigned short *working_buffer_ptr_out,
+ *	struct mxcfb_rect *update_region,
+ *	long		working_buffer_width
+ *	long		working_buffer_height
+ * return:
+ *	0 - normal exit
+ *	-1 - no advance algorithm
+ */
+
+int do_aa_processing_v2_2_1(
+	unsigned short *working_buffer_ptr_in,
+	unsigned short *working_buffer_ptr_out,
+	struct mxcfb_rect *update_region,
+	long working_buffer_width,
+	long working_buffer_height);
+
+/*
+ * E-ink Gen II waveform algorithm AA-D implementation version 2.1.1
+ * for i.MX50 (508: 86ms for 1024x768, 52ms for 800x600)
+ * Function Name:
+ *	int do_aad_processing ( .. )
+ * input parameters:
+ * 	unsigned short *working_buffer_ptr_in,
+ *	unsigned short *working_buffer_ptr_out,
+ *	struct mxcfb_rect *update_region,
+ *	long	working_buffer_width
+ *	long	working_buffer_height
+ * return:
+ *	0 - normal exit
+ *	-1 - no advance algorithm
+ */
+
+int do_aad_processing_v2_1_1(
+	unsigned short *working_buffer_ptr_in,
+	unsigned short *working_buffer_ptr_out,
+	struct mxcfb_rect *update_region,
+	long working_buffer_width,
+	long working_buffer_height);
+/*
+ * E-ink Gen II waveform algorithm aa implementation - version 2.2.0
+ *
+ * Function Name:
+ *	int do_aa_processing( .. )
+ * input parameters:
+ *	unsigned char*	update_region_ptr
+ *	struct mxcfb_rect*	update_region
+ *	unsigned long		update_region_stride
+ *	unsigned short*	working_buffer_ptr
+ *	long			working_buffer_width
+ *	long			working_buffer_height
+ * output:
+ *	unsigned char*	update_region_ptr
+ * return:
+ *	0 - normal exit
+ *	-1 - no advance algorithm
+ */
+
+int do_aa_processing_v2_2_0(
+	unsigned char *update_region_ptr, struct mxcfb_rect *update_region,
+	unsigned long update_region_stride, unsigned short *working_buffer_ptr,
+	long working_buffer_width, long working_buffer_height);
+
+
+/*
+ * E-ink Gen II waveform algorithm AA-D implementation version 2.1.0
+ * Function Name:
+ *	int do_aad_processing( .. )
+ * input parameters:
+ *	unsigned char*	update_region_ptr
+ *	struct mxcfb_rect*	update_region
+ *	unsigned long		update_region_stride
+ *	unsigned short*	working_buffer_ptr
+ *	long			working_buffer_width
+ *	long			working_buffer_height
+ * output parameters:
+ *	unsigned char*	update_region_ptr
+ * return:
+ *	0 - normal exit
+ *	-1 - no advance algorithm
+ */
+
+int do_aad_processing_v2_1_0(
+	unsigned char *update_region_ptr, struct mxcfb_rect *update_region,
+	unsigned long update_region_stride, unsigned short *working_buffer_ptr,
+	long working_buffer_width, long working_buffer_height);
+
+/* 
+ * API for setting the update counter
+ * Function Name:
+ *	void set_aad_update_counter( .. )
+ * input parameters:
+ *	unsigned long	value
+ * return:
+ *	none
+ */
+void set_aad_update_counter(unsigned long value);
+
+/* 
+ * Function for fetching the voltage control data for EPDC PMIC
+ * name: int mxc_epdc_fb_fetch_vc_data ( .. )
+ * return: 0 - normal exit, -1 - invalide waveform mode or invalid temperature range, -2 - data checksum error
+ * parameters: *waveform_vcd_buffer holds the voltage control data table for waveform modes, typically fb_data->waveform_vcd_buffer
+ * 		 wMode - waveform mode for the interested vc data
+ *		 wTempRange - specific temperature range of the waveform mode for vc data
+ *		 waveform_mc - the number of waveform modes in the waveform file, typically it is fb_data-waveform_mc
+ *		 waveform_trc - the number of temperature ranges in each waveform mode, typically fb_data->waveform_trc
+ *		 *VoltageCtrlData - 16-byte data array for returning vc data
+ */
+int mxc_epdc_fb_fetch_vc_data( unsigned char *waveform_vcd_buffer, 
+		unsigned wMode,
+		unsigned wTempRange,
+		unsigned waveform_mc,
+		unsigned waveform_trc,
+		unsigned char *VoltageCtrlData);
+
+/*
+ * function for extracting the extra waveform information data (usually the waveform name)
+ * name: int mxc_epdc_fb_fetch_wxi_data(( .. )
+ * return: number of bytes in the extra information
+ * parameters: *waveform_xwi_buffer holds the extra waveform data, typically fb_data->waveform_xwi_buffer
+ *		 *ExtraWaveformString - NULL if no buffer allocated, the function will return the number of bytes in string
+ *			and it can be used for allocating the string buffer
+ * Note: typically fetching the extra waveform information requires two function calls.
+ * The first call with NULL pointer to get the length of the information then allocate a string buffer with one byte larger than the size of the xwi
+ * The second call with the allocated buffer to get the data then set the null termination for completing the string.
+ */
+int mxc_epdc_fb_fetch_wxi_data( unsigned char *waveform_xwi_buffer, 
+		char *ExtraWaveformString);
+		
+/* 
+ * Function for preparing the advance algorithm control data
+ * name: int mxc_epdc_fb_prep_algorithm_data( ( .. )
+ * return: 	0 - no advance algorithm data
+ *		1 - version 1 algorithm data (AA algorithm)
+ *		2 - version 2 algorithm data (AA/AA-D)
+ *		-1 - no advance waveform support algorithms in this version of library
+ *		-2 - invalid waveform mode or invalid temperature range
+ *		< -2 values - data checksum errors
+ * parameters: *waveform_acd_buffer holds the algorithm control data table for waveform modes, typically fb_data->waveform_acd_buffer
+ * 		 wMode - waveform mode for the interested vc data
+ *		 wTempRange - specific temperature range of the waveform mode for vc data
+ *		 waveform_mc - the number of waveform modes in the waveform file, typically it is fb_data-waveform_mc
+ *		 waveform_trc - the number of temperature ranges in each waveform mode, typically fb_data->waveform_trc
+ *		 waveform_magic_number - algorithm data code from the waveform file, typically fb_data->waveform_magic_number
+ *		 ctrlFlags -	0 just look up the version of the algorithm data, 
+ *				1 - transfer the data to be used by algorithm if defined,
+ *				3 - same as 1 but restore the default data if there is no algorithm data.
+ */
+int mxc_epdc_fb_prep_algorithm_data( unsigned char *waveform_acd_buffer, 
+		unsigned wMode,
+		unsigned wTempRange,
+		unsigned waveform_mc,
+		unsigned waveform_trc,
+		unsigned waveform_magic_number,
+		unsigned ctrlFlags);	
+
+/* Function about advance algoritms in this device driver
+ * name: int mxc_epdc_fb_aa_info( void )
+ * return: number of advance algorithms built into this device driver
+ * parameters: none
+ */
+int mxc_epdc_fb_aa_info( void );
+
+#endif