diff options
Diffstat (limited to 'include/linux')
-rw-r--r-- | include/linux/ts_filter.h | 56 | ||||
-rw-r--r-- | include/linux/ts_filter_group.h | 39 | ||||
-rw-r--r-- | include/linux/ts_filter_linear.h | 64 | ||||
-rw-r--r-- | include/linux/ts_filter_mean.h | 34 | ||||
-rw-r--r-- | include/linux/ts_filter_median.h | 36 |
5 files changed, 0 insertions, 229 deletions
diff --git a/include/linux/ts_filter.h b/include/linux/ts_filter.h deleted file mode 100644 index 167104482dd..00000000000 --- a/include/linux/ts_filter.h +++ /dev/null @@ -1,56 +0,0 @@ -#ifndef __TS_FILTER_H__ -#define __TS_FILTER_H__ - -/* - * touchscreen filter - * - * (c) 2008 Andy Green <andy@openmoko.com> - */ - -#include <linux/platform_device.h> - -#define MAX_TS_FILTER_CHAIN 4 /* max filters you can chain up */ -#define MAX_TS_FILTER_COORDS 3 /* X, Y and Z (pressure) */ - -struct ts_filter; - -/* operations that a filter can perform - */ -struct ts_filter_api { - struct ts_filter * (*create)(struct platform_device *pdev, void *config, - int count_coords); - void (*destroy)(struct platform_device *pdev, struct ts_filter *filter); - void (*clear)(struct ts_filter *filter); - int (*process)(struct ts_filter *filter, int *coords); - void (*scale)(struct ts_filter *filter, int *coords); -}; - -/* this is the common part of all filters, the result - * we use this type as an otherwise opaque handle on to - * the actual filter. Therefore you need one of these - * at the start of your actual filter struct - */ - -struct ts_filter { - struct ts_filter *next; /* next in chain */ - struct ts_filter_api *api; /* operations to use for this object */ - int count_coords; - int coords[MAX_TS_FILTER_COORDS]; -}; - -/* - * helper to create a filter chain from array of API pointers and - * array of config ints... leaves pointers to created filters in list - * array and fills in ->next pointers to create the chain - */ - -extern int ts_filter_create_chain(struct platform_device *pdev, - struct ts_filter_api **api, void **config, - struct ts_filter **list, int count_coords); - -/* helper to destroy a whole chain from the list of filter pointers */ - -extern void ts_filter_destroy_chain(struct platform_device *pdev, - struct ts_filter **list); - -#endif diff --git a/include/linux/ts_filter_group.h b/include/linux/ts_filter_group.h deleted file mode 100644 index 1e74c8dc741..00000000000 --- a/include/linux/ts_filter_group.h +++ /dev/null @@ -1,39 +0,0 @@ -#ifndef __TS_FILTER_GROUP_H__ -#define __TS_FILTER_GROUP_H__ - -#include <linux/ts_filter.h> - -/* - * Touchscreen group filter. - * - * Copyright (C) 2008 by Openmoko, Inc. - * Author: Nelson Castillo <arhuaco@freaks-unidos.net> - * - */ - -struct ts_filter_group_configuration { - int extent; - int close_enough; - int threshold; - int attempts; -}; - -struct ts_filter_group { - struct ts_filter tsf; - struct ts_filter_group_configuration *config; - - int N; /* How many samples we have */ - int *samples[MAX_TS_FILTER_COORDS]; /* the samples, our input */ - - int *group_size; /* used for temporal computations */ - int *sorted_samples; /* used for temporal computations */ - - int range_max[MAX_TS_FILTER_COORDS]; /* max computed ranges */ - int range_min[MAX_TS_FILTER_COORDS]; /* min computed ranges */ - - int tries_left; /* We finish if we don't get enough samples */ -}; - -extern struct ts_filter_api ts_filter_group_api; - -#endif diff --git a/include/linux/ts_filter_linear.h b/include/linux/ts_filter_linear.h deleted file mode 100644 index dab53907a90..00000000000 --- a/include/linux/ts_filter_linear.h +++ /dev/null @@ -1,64 +0,0 @@ -#ifndef __TS_FILTER_LINEAR_H__ -#define __TS_FILTER_LINEAR_H__ - -#include <linux/ts_filter.h> -#include <linux/kobject.h> - -/* - * touchscreen linear filter. - * - * Copyright (C) 2008 by Openmoko, Inc. - * Author: Nelson Castillo <arhuaco@freaks-unidos.net> - * - */ - -#define TS_FILTER_LINEAR_NCONSTANTS 7 - -/* sysfs */ - -struct ts_filter_linear; - -struct const_obj { - struct ts_filter_linear *tsfl; - struct kobject kobj; -}; - -#define to_const_obj(x) container_of(x, struct const_obj, kobj) - -struct const_attribute { - struct attribute attr; - ssize_t (*show)(struct const_obj *const, struct const_attribute *attr, - char *buf); - ssize_t (*store)(struct const_obj *const, struct const_attribute *attr, - const char *buf, size_t count); -}; - -#define to_const_attr(x) container_of(x, struct const_attribute, attr) - -/* filter configuration */ - -struct ts_filter_linear_configuration { - int constants[TS_FILTER_LINEAR_NCONSTANTS]; - int coord0; - int coord1; -}; - -/* the filter */ - -struct ts_filter_linear { - struct ts_filter tsf; - struct ts_filter_linear_configuration *config; - - int constants[TS_FILTER_LINEAR_NCONSTANTS]; - - /* sysfs */ - struct const_obj c_obj; - struct kobj_type const_ktype; - struct const_attribute kattrs[TS_FILTER_LINEAR_NCONSTANTS]; - struct attribute *attrs[TS_FILTER_LINEAR_NCONSTANTS + 1]; - char attr_names[TS_FILTER_LINEAR_NCONSTANTS][2]; -}; - -extern struct ts_filter_api ts_filter_linear_api; - -#endif diff --git a/include/linux/ts_filter_mean.h b/include/linux/ts_filter_mean.h deleted file mode 100644 index 46ff01a4c82..00000000000 --- a/include/linux/ts_filter_mean.h +++ /dev/null @@ -1,34 +0,0 @@ -#ifndef __TS_FILTER_MEAN_H__ -#define __TS_FILTER_MEAN_H__ - -#include <linux/ts_filter.h> - -/* - * touchscreen filter - * - * mean - * - * (c) 2008 Andy Green <andy@openmoko.com> - */ - -struct ts_filter_mean_configuration { - int bits_filter_length; - int averaging_threshold; - - int extent; -}; - -struct ts_filter_mean { - struct ts_filter tsf; - struct ts_filter_mean_configuration *config; - - int reported[MAX_TS_FILTER_COORDS]; - int lowpass[MAX_TS_FILTER_COORDS]; - int *fifo[MAX_TS_FILTER_COORDS]; - int fhead[MAX_TS_FILTER_COORDS]; - int ftail[MAX_TS_FILTER_COORDS]; -}; - -extern struct ts_filter_api ts_filter_mean_api; - -#endif diff --git a/include/linux/ts_filter_median.h b/include/linux/ts_filter_median.h deleted file mode 100644 index d81642883f7..00000000000 --- a/include/linux/ts_filter_median.h +++ /dev/null @@ -1,36 +0,0 @@ -#ifndef __TS_FILTER_MEDIAN_H__ -#define __TS_FILTER_MEDIAN_H__ - -#include <linux/ts_filter.h> - -/* - * touchscreen filter - * - * median - * - * (c) 2008 Andy Green <andy@openmoko.com> - */ - -struct ts_filter_median_configuration { - int extent; - int midpoint; - int decimation_threshold; - int decimation_above; - int decimation_below; -}; - -struct ts_filter_median { - struct ts_filter tsf; - struct ts_filter_median_configuration *config; - - int decimation_count; - int last_issued[MAX_TS_FILTER_COORDS]; - int valid; /* how many samples in the sort buffer are valid */ - int *sort[MAX_TS_FILTER_COORDS]; /* samples taken for median */ - int *fifo[MAX_TS_FILTER_COORDS]; /* samples taken for median */ - int pos; /* where we are in the fifo sample memory */ -}; - -extern struct ts_filter_api ts_filter_median_api; - -#endif |