45 	u16 y;  member
60 	unsigned int y_offset;	/* offset to use for y coordinates */
68 			  s16 offset, u16 slot_bytes,
99  * @return 0 on success, non-0 error value on error.  The call
101  *	   even on failure.  Some error codes: -ENODEV: invalid
107 		tcm->deinit(tcm);  in tcm_deinit()
116  * @param align		Alignment requirement for top-left corner of area. Not
120  * @param offset	Offset requirement, in bytes.  This is the offset
125  * @return 0 on success.  Non-0 error code on failure.  Also,
127  *	   failure.  Some error codes: -ENODEV: invalid manager,
128  *	   -EINVAL: invalid area, -ENOMEM: not enough space for
132 				u16 align, s16 offset, u16 slot_bytes,  in tcm_reserve_2d()  argument
136 	s32 res = tcm  == NULL ? -ENODEV :  in tcm_reserve_2d()
139 		 (align & (align - 1))) ? -EINVAL :  in tcm_reserve_2d()
140 		(height > tcm->height || width > tcm->width) ? -ENOMEM : 0;  in tcm_reserve_2d()
143 		area->is2d = true;  in tcm_reserve_2d()
144 		res = tcm->reserve_2d(tcm, height, width, align, offset,  in tcm_reserve_2d()
146 		area->tcm = res ? NULL : tcm;  in tcm_reserve_2d()
159  * @return 0 on success.  Non-0 error code on failure.  Also,
161  *	   failure.  Some error codes: -ENODEV: invalid manager,
162  *	   -EINVAL: invalid area, -ENOMEM: not enough space for
169 	s32 res = tcm  == NULL ? -ENODEV :  in tcm_reserve_1d()
170 		(area == NULL || slots == 0) ? -EINVAL :  in tcm_reserve_1d()
171 		slots > (tcm->width * (u32) tcm->height) ? -ENOMEM : 0;  in tcm_reserve_1d()
174 		area->is2d = false;  in tcm_reserve_1d()
175 		res = tcm->reserve_1d(tcm, slots, area);  in tcm_reserve_1d()
176 		area->tcm = res ? NULL : tcm;  in tcm_reserve_1d()
190  * @return 0 on success.  Non-0 error code on failure.  Also, the tcm
199 	if (area && area->tcm) {  in tcm_free()
200 		res = area->tcm->free(area->tcm, area);  in tcm_free()
202 			area->tcm = NULL;  in tcm_free()
227 	if (slice->tcm && !slice->is2d &&  in tcm_slice()
228 		slice->p0.y != slice->p1.y &&  in tcm_slice()
229 		(slice->p0.x || (slice->p1.x != slice->tcm->width - 1))) {  in tcm_slice()
231 		slice->p1.x = slice->tcm->width - 1;  in tcm_slice()
232 		slice->p1.y = (slice->p0.x) ? slice->p0.y : slice->p1.y - 1;  in tcm_slice()
234 		parent->p0.x = 0;  in tcm_slice()
235 		parent->p0.y = slice->p1.y + 1;  in tcm_slice()
238 		parent->tcm = NULL;  in tcm_slice()
245 	return area && area->tcm &&  in tcm_area_is_valid()
247 		area->p1.x < area->tcm->width &&  in tcm_area_is_valid()
248 		area->p1.y < area->tcm->height &&  in tcm_area_is_valid()
249 		area->p0.y <= area->p1.y &&  in tcm_area_is_valid()
251 		((!area->is2d &&  in tcm_area_is_valid()
252 		  area->p0.x < area->tcm->width &&  in tcm_area_is_valid()
253 		  area->p0.x + area->p0.y * area->tcm->width <=  in tcm_area_is_valid()
254 		  area->p1.x + area->p1.y * area->tcm->width) ||  in tcm_area_is_valid()
256 		 (area->is2d &&  in tcm_area_is_valid()
257 		  area->p0.x <= area->p1.x));  in tcm_area_is_valid()
265 	if (a->is2d) {  in __tcm_is_in()
266 		return p->x >= a->p0.x && p->x <= a->p1.x &&  in __tcm_is_in()
267 		       p->y >= a->p0.y && p->y <= a->p1.y;  in __tcm_is_in()
269 		i = p->x + p->y * a->tcm->width;  in __tcm_is_in()
270 		return i >= a->p0.x + a->p0.y * a->tcm->width &&  in __tcm_is_in()
271 		       i <= a->p1.x + a->p1.y * a->tcm->width;  in __tcm_is_in()
278 	return area->p1.x - area->p0.x + 1;  in __tcm_area_width()
284 	return area->p1.y - area->p0.y + 1;  in __tcm_area_height()
290 	return area->is2d ?  in __tcm_sizeof()
292 		(area->p1.x - area->p0.x + 1) + (area->p1.y - area->p0.y) *  in __tcm_sizeof()
293 							area->tcm->width;  in __tcm_sizeof()
304 		return -ENOMEM;  in tcm_1d_limit()
306 		return -EINVAL;  in tcm_1d_limit()
308 	a->p1.x = (a->p0.x + num_pg - 1) % a->tcm->width;  in tcm_1d_limit()
309 	a->p1.y = a->p0.y + ((a->p0.x + num_pg - 1) / a->tcm->width);  in tcm_1d_limit()