mtd/chips/cfi_cmdset_0020.c

12  * 	  (see include/linux/mtd/cfi.h for selection)
34 #include <linux/mtd/cfi.h>
110  * addresses passed back in cfi are valid as long as the use count of
116 	struct cfi_private *cfi = map->fldrv_priv;
119 	if (cfi->cfi_mode) {
125 		__u16 adr = primary?cfi->cfiq->P_ADR:cfi->cfiq->A_ADR;
152 		cfi->cmdset_priv = extp;
155 	for (i=0; i< cfi->numchips; i++) {
156 		cfi->chips[i].word_write_time = 128;
157 		cfi->chips[i].buffer_write_time = 128;
158 		cfi->chips[i].erase_time = 1024;
159 		cfi->chips[i].ref_point_counter = 0;
160 		init_waitqueue_head(&(cfi->chips[i].wq));
169 	struct cfi_private *cfi = map->fldrv_priv;
173 	unsigned long devsize = (1<<cfi->cfiq->DevSize) * cfi->interleave;
176 	//printk(KERN_DEBUG "number of CFI chips: %d\n", cfi->numchips);
179 		kfree(cfi->cmdset_priv);
185 	mtd->size = devsize * cfi->numchips;
187 	mtd->numeraseregions = cfi->cfiq->NumEraseRegions * cfi->numchips;
192 		kfree(cfi->cmdset_priv);
197 	for (i=0; i<cfi->cfiq->NumEraseRegions; i++) {
199 		ersize = ((cfi->cfiq->EraseRegionInfo[i] >> 8) & ~0xff) * cfi->interleave;
200 		ernum = (cfi->cfiq->EraseRegionInfo[i] & 0xffff) + 1;
205 		for (j=0; j<cfi->numchips; j++) {
206 			mtd->eraseregions[(j*cfi->cfiq->NumEraseRegions)+i].offset = (j*devsize)+offset;
207 			mtd->eraseregions[(j*cfi->cfiq->NumEraseRegions)+i].erasesize = ersize;
208 			mtd->eraseregions[(j*cfi->cfiq->NumEraseRegions)+i].numblocks = ernum;
217 		kfree(cfi->cmdset_priv);
241 	mtd->writebufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize;
256 	struct cfi_private *cfi = map->fldrv_priv;
275 		if (!(((struct cfi_pri_intelext *)cfi->cmdset_priv)->FeatureSupport & 2))
387 	struct cfi_private *cfi = map->fldrv_priv;
393 	chipnum = (from >> cfi->chipshift);
394 	ofs = from - (chipnum <<  cfi->chipshift);
399 		if (chipnum >= cfi->numchips)
402 		if ((len + ofs -1) >> cfi->chipshift)
403 			thislen = (1<<cfi->chipshift) - ofs;
407 		ret = do_read_onechip(map, &cfi->chips[chipnum], ofs, thislen, buf);
424 	struct cfi_private *cfi = map->fldrv_priv;
434         wbufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize;
611 	struct cfi_private *cfi = map->fldrv_priv;
612 	int wbufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize;
617 	chipnum = to >> cfi->chipshift;
618 	ofs = to  - (chipnum << cfi->chipshift);
634                 ret = do_write_buffer(map, &cfi->chips[chipnum],
644 		if (ofs >> cfi->chipshift) {
647 			if (chipnum == cfi->numchips)
735 	struct cfi_private *cfi = map->fldrv_priv;
852 				for (i = 0; i<cfi_interleave(cfi); i++) {
853 					chipstatus |= status.x[w] >> (cfi->device_type * 8);
894 	struct cfi_private *cfi = map->fldrv_priv;
943 	chipnum = instr->addr >> cfi->chipshift;
944 	adr = instr->addr - (chipnum << cfi->chipshift);
950 		ret = do_erase_oneblock(map, &cfi->chips[chipnum], adr);
958 		if (adr % (1<< cfi->chipshift) == (((unsigned long)regions[i].offset + (regions[i].erasesize * regions[i].numblocks)) %( 1<< cfi->chipshift)))
961 		if (adr >> cfi->chipshift) {
965 			if (chipnum >= cfi->numchips)
976 	struct cfi_private *cfi = map->fldrv_priv;
982 	for (i=0; !ret && i<cfi->numchips; i++) {
983 		chip = &cfi->chips[i];
1020 		chip = &cfi->chips[i];
1034 	struct cfi_private *cfi = map->fldrv_priv;
1130 	struct cfi_private *cfi = map->fldrv_priv;
1134 	int ofs_factor = cfi->interleave * cfi->device_type;
1143 	chipnum = ofs >> cfi->chipshift;
1144 	adr = ofs - (chipnum << cfi->chipshift);
1149 		cfi_send_gen_cmd(0x90, 0x55, 0, map, cfi, cfi->device_type, NULL);
1151 		cfi_send_gen_cmd(0xff, 0x55, 0, map, cfi, cfi->device_type, NULL);
1154 		ret = do_lock_oneblock(map, &cfi->chips[chipnum], adr);
1157 		cfi_send_gen_cmd(0x90, 0x55, 0, map, cfi, cfi->device_type, NULL);
1159 		cfi_send_gen_cmd(0xff, 0x55, 0, map, cfi, cfi->device_type, NULL);
1168 		if (adr >> cfi->chipshift) {
1172 			if (chipnum >= cfi->numchips)
1180 	struct cfi_private *cfi = map->fldrv_priv;
1276 	struct cfi_private *cfi = map->fldrv_priv;
1280 	int ofs_factor = cfi->interleave * cfi->device_type;
1283 	chipnum = ofs >> cfi->chipshift;
1284 	adr = ofs - (chipnum << cfi->chipshift);
1291 		cfi_send_gen_cmd(0x90, 0x55, 0, map, cfi, cfi->device_type, NULL);
1297 		cfi_send_gen_cmd(0xff, 0x55, 0, map, cfi, cfi->device_type, NULL);
1301 	ret = do_unlock_oneblock(map, &cfi->chips[chipnum], adr);
1304 	cfi_send_gen_cmd(0x90, 0x55, 0, map, cfi, cfi->device_type, NULL);
1306 	cfi_send_gen_cmd(0xff, 0x55, 0, map, cfi, cfi->device_type, NULL);
1315 	struct cfi_private *cfi = map->fldrv_priv;
1320 	for (i=0; !ret && i<cfi->numchips; i++) {
1321 		chip = &cfi->chips[i];
1352 			chip = &cfi->chips[i];
1373 	struct cfi_private *cfi = map->fldrv_priv;
1377 	for (i=0; i<cfi->numchips; i++) {
1379 		chip = &cfi->chips[i];
1397 	struct cfi_private *cfi = map->fldrv_priv;
1398 	kfree(cfi->cmdset_priv);
1399 	kfree(cfi);