summaryrefslogtreecommitdiffstats
path: root/quantum/painter/qp.c
blob: f27bb7892add3674cf90183367b0eb293a5ad5b4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
// Copyright 2021 Nick Brassel (@tzarc)
// SPDX-License-Identifier: GPL-2.0-or-later

#include <quantum.h>
#include <utf8.h>

#include "qp_internal.h"
#include "qp_comms.h"
#include "qp_draw.h"

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Internal driver validation

static bool validate_driver_vtable(painter_driver_t *driver) {
    return (driver->driver_vtable && driver->driver_vtable->init && driver->driver_vtable->power && driver->driver_vtable->clear && driver->driver_vtable->viewport && driver->driver_vtable->pixdata && driver->driver_vtable->palette_convert && driver->driver_vtable->append_pixels && driver->driver_vtable->append_pixdata) ? true : false;
}

static bool validate_comms_vtable(painter_driver_t *driver) {
    return (driver->comms_vtable && driver->comms_vtable->comms_init && driver->comms_vtable->comms_start && driver->comms_vtable->comms_stop && driver->comms_vtable->comms_send) ? true : false;
}

static bool validate_driver_integrity(painter_driver_t *driver) {
    return validate_driver_vtable(driver) && validate_comms_vtable(driver);
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_init

bool qp_init(painter_device_t device, painter_rotation_t rotation) {
    qp_dprintf("qp_init: entry\n");
    painter_driver_t *driver = (painter_driver_t *)device;

    if (!driver) {
        qp_dprintf("qp_init: fail (pointer to NULL)\n");
        return false;
    }

    driver->validate_ok = false;
    if (!validate_driver_integrity(driver)) {
        qp_dprintf("Failed to validate driver integrity in qp_init\n");
        return false;
    }

    driver->validate_ok = true;

    if (!qp_comms_init(device)) {
        driver->validate_ok = false;
        qp_dprintf("qp_init: fail (could not init comms)\n");
        return false;
    }

    if (!qp_comms_start(device)) {
        qp_dprintf("qp_init: fail (could not start comms)\n");
        return false;
    }

    // Set the rotation before init
    driver->rotation = rotation;

    // Invoke init
    bool ret = driver->driver_vtable->init(device, rotation);
    qp_comms_stop(device);
    qp_dprintf("qp_init: %s\n", ret ? "ok" : "fail");
    return ret;
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_power

bool qp_power(painter_device_t device, bool power_on) {
    qp_dprintf("qp_power: entry\n");
    painter_driver_t *driver = (painter_driver_t *)device;
    if (!driver || !driver->validate_ok) {
        qp_dprintf("qp_power: fail (validation_ok == false)\n");
        return false;
    }

    if (!qp_comms_start(device)) {
        qp_dprintf("qp_power: fail (could not start comms)\n");
        return false;
    }

    bool ret = driver->driver_vtable->power(device, power_on);
    qp_comms_stop(device);
    qp_dprintf("qp_power: %s\n", ret ? "ok" : "fail");
    return ret;
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_clear

bool qp_clear(painter_device_t device) {
    qp_dprintf("qp_clear: entry\n");
    painter_driver_t *driver = (painter_driver_t *)device;
    if (!driver || !driver->validate_ok) {
        qp_dprintf("qp_clear: fail (validation_ok == false)\n");
        return false;
    }

    if (!qp_comms_start(device)) {
        qp_dprintf("qp_clear: fail (could not start comms)\n");
        return false;
    }

    bool ret = driver->driver_vtable->clear(device);
    qp_comms_stop(device);
    qp_dprintf("qp_clear: %s\n", ret ? "ok" : "fail");
    return ret;
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_flush

bool qp_flush(painter_device_t device) {
    qp_dprintf("qp_flush: entry\n");
    painter_driver_t *driver = (painter_driver_t *)device;
    if (!driver || !driver->validate_ok) {
        qp_dprintf("qp_flush: fail (validation_ok == false)\n");
        return false;
    }

    if (!qp_comms_start(device)) {
        qp_dprintf("qp_flush: fail (could not start comms)\n");
        return false;
    }

    bool ret = driver->driver_vtable->flush(device);
    qp_comms_stop(device);
    qp_dprintf("qp_flush: %s\n", ret ? "ok" : "fail");
    return ret;
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_get_geometry

void qp_get_geometry(painter_device_t device, uint16_t *width, uint16_t *height, painter_rotation_t *rotation, uint16_t *offset_x, uint16_t *offset_y) {
    qp_dprintf("qp_get_geometry: entry\n");
    painter_driver_t *driver = (painter_driver_t *)device;

    if (!driver) {
        qp_dprintf("qp_get_geometry: fail (pointer to NULL)\n");
        return;
    }

    switch (driver->rotation) {
        default:
        case QP_ROTATION_0:
        case QP_ROTATION_180:
            if (width) {
                *width = driver->panel_width;
            }
            if (height) {
                *height = driver->panel_height;
            }
            break;
        case QP_ROTATION_90:
        case QP_ROTATION_270:
            if (width) {
                *width = driver->panel_height;
            }
            if (height) {
                *height = driver->panel_width;
            }
            break;
    }

    if (rotation) {
        *rotation = driver->rotation;
    }

    if (offset_x) {
        *offset_x = driver->offset_x;
    }

    if (offset_y) {
        *offset_y = driver->offset_y;
    }

    qp_dprintf("qp_get_geometry: ok\n");
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_set_viewport_offsets

void qp_set_viewport_offsets(painter_device_t device, uint16_t offset_x, uint16_t offset_y) {
    qp_dprintf("qp_set_viewport_offsets: entry\n");
    painter_driver_t *driver = (painter_driver_t *)device;

    if (!driver) {
        qp_dprintf("qp_set_viewport_offsets: fail (pointer to NULL)\n");
        return;
    }

    driver->offset_x = offset_x;
    driver->offset_y = offset_y;

    qp_dprintf("qp_set_viewport_offsets: ok\n");
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_viewport

bool qp_viewport(painter_device_t device, uint16_t left, uint16_t top, uint16_t right, uint16_t bottom) {
    qp_dprintf("qp_viewport: entry\n");
    painter_driver_t *driver = (painter_driver_t *)device;
    if (!driver || !driver->validate_ok) {
        qp_dprintf("qp_viewport: fail (validation_ok == false)\n");
        return false;
    }

    if (!qp_comms_start(device)) {
        qp_dprintf("qp_viewport: fail (could not start comms)\n");
        return false;
    }

    // Set the viewport
    bool ret = driver->driver_vtable->viewport(device, left, top, right, bottom);
    qp_dprintf("qp_viewport: %s\n", ret ? "ok" : "fail");
    qp_comms_stop(device);
    return ret;
}

////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Quantum Painter External API: qp_pixdata

bool qp_pixdata(painter_device_t device, const void *pixel_data, uint32_t native_pixel_count) {
    qp_dprintf("qp_pixdata: entry\n");
    painter_driver_t *driver = (painter_driver_t *)device;
    if (!driver || !driver->validate_ok) {
        qp_dprintf("qp_pixdata: fail (validation_ok == false)\n");
        return false;
    }

    if (!qp_comms_start(device)) {
        qp_dprintf("qp_pixdata: fail (could not start comms)\n");
        return false;
    }

    bool ret = driver->driver_vtable->pixdata(device, pixel_data, native_pixel_count);
    qp_dprintf("qp_pixdata: %s\n", ret ? "ok" : "fail");
    qp_comms_stop(device);
    return ret;
}