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/*
 * 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
 *
 */

struct btcx_riscmem {
        unsigned int   size;
        u32            *cpu;
        u32            *jmp;
        dma_addr_t     dma;
};

struct btcx_skiplist {
        int start;
        int end;
};

int  btcx_riscmem_alloc(struct pci_dev *pci,
                        struct btcx_riscmem *risc,
                        unsigned int size);
void btcx_riscmem_free(struct pci_dev *pci,
                       struct btcx_riscmem *risc);

int btcx_screen_clips(int swidth, int sheight, struct v4l2_rect *win,
                      struct v4l2_clip *clips, unsigned int n);
int btcx_align(struct v4l2_rect *win, struct v4l2_clip *clips,
               unsigned int n, int mask);
void btcx_sort_clips(struct v4l2_clip *clips, unsigned int nclips);
void btcx_calc_skips(int line, int width, unsigned int *maxy,
                     struct btcx_skiplist *skips, unsigned int *nskips,
                     const struct v4l2_clip *clips, unsigned int nclips);

/*
 * Local variables:
 * c-basic-offset: 8
 * End:
 */