85 lines
1.8 KiB
C
85 lines
1.8 KiB
C
struct platform_device;
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typedef unsigned long __kernel_size_t;
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typedef unsigned short __u16;
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typedef unsigned int __u32;
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typedef unsigned char u8;
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typedef unsigned short u16;
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typedef __kernel_size_t size_t;
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typedef __u32 uint32_t;
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static inline __attribute__ ((always_inline))
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uint32_t __attribute__ ((pure)) bfin_dspid (void)
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{
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return ( {
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uint32_t __v; __v;}
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);
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}
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struct list_head {
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struct list_head *next, *prev;
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};
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struct page {
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union {
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};
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struct list_head lru;
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};
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struct device_driver {
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const char *name;
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struct module *owner;
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};
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struct fb_info {
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struct device *dev;
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};
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struct platform_driver {
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int (*probe) (struct platform_device *);
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int (*remove) (struct platform_device *);
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struct device_driver driver;
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};
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struct firmware {
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size_t size;
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const u8 *data;
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};
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struct metronomefb_par {
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struct fb_info *info;
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};
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struct waveform_hdr {
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u8 trc;
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};
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static u8 calc_cksum (int start, int end, u8 * mem)
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{
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u8 tmp = 0;
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int i;
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for (i = start; i < end; i++)
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tmp += mem[i];
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return tmp;
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}
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extern struct waveform_hdr *wfm_hdr;
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extern int wmta;
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static int
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load_waveform (u8 * mem, size_t size, int m, int t, struct metronomefb_par *par)
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{
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int tta;
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int trn = 0;
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int i;
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u8 cksum;
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int cksum_idx;
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struct device *dev = par->info->dev;
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for (i = 0; i <= sizeof (*wfm_hdr) + wfm_hdr->trc; i++) {
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if (mem[i] > t) {
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trn = i - sizeof (*wfm_hdr) - 1;
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}
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}
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tta = * (mem + wmta + m * 4) & 0x00FFFFFF;
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cksum_idx = tta + trn * 4 + 3;
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cksum = calc_cksum (cksum_idx - 3, cksum_idx, mem);
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if (cksum != mem[cksum_idx]) {
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abort();
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}
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}
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extern struct firmware *fw_entry;
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extern struct metronomefb_par *par;
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int metronomefb_probe (struct platform_device *dev)
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{
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return load_waveform ((u8 *) fw_entry->data, fw_entry->size, 3, 31, par);
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}
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