dev/nand/nand_cdev.c

76 nand_make_dev(struct nand_chip *chip)
83 	ivar = device_get_ivars(chip->dev);
84 	nandbus = device_get_parent(chip->dev);
90 		 * If we got distinct name for chip device we can enumarete it
100 	unit = parent_unit * 4 + chip->num;
101 	chip->cdev = make_dev(&nand_cdevsw, unit, UID_ROOT, GID_WHEEL,
102 	    0640, "%s%d.%d", name, parent_unit, chip->num);
104 	if (chip->cdev == NULL)
108 		device_printf(chip->dev, "Created cdev %s%d.%d for chip "
109 		    "[0x%0x, 0x%0x]\n", name, parent_unit, chip->num,
112 	chip->cdev->si_drv1 = chip;
118 nand_destroy_dev(struct nand_chip *chip)
121 	if (chip->cdev)
122 		destroy_dev(chip->cdev);
133 nand_read(struct nand_chip *chip, uint32_t offset, void *buf, uint32_t len)
140 	nand_debug(NDBG_CDEV, "Read from chip%d [%p] at %d\n", chip->num,
141 	    chip, offset);
143 	nandbus = device_get_parent(chip->dev);
145 	NANDBUS_SELECT_CS(device_get_parent(chip->dev), chip->num);
147 	cg = &chip->chip_geom;
160 			err = NAND_READ_PAGE(chip->dev, start_page,
169 			err = NAND_READ_PAGE(chip->dev, start_page,
187 nand_write(struct nand_chip *chip, uint32_t offset, void* buf, uint32_t len)
194 	nand_debug(NDBG_CDEV, "Write to chip %d [%p] at %d\n", chip->num,
195 	    chip, offset);
197 	nandbus = device_get_parent(chip->dev);
199 	NANDBUS_SELECT_CS(device_get_parent(chip->dev), chip->num);
201 	cg = &chip->chip_geom;
214 		err = NAND_PROGRAM_PAGE(chip->dev, start_page, ptr,
231 	struct nand_chip *chip;
236 	chip = dev->si_drv1;
238 	nand_debug(NDBG_CDEV, "Strategy %s on chip %d [%p]\n",
240 	    chip->num, chip);
243 		err = nand_read(chip,
247 		err = nand_write(chip,
264 nand_oob_access(struct nand_chip *chip, uint32_t page, uint32_t offset,
271 	cg = &chip->chip_geom;
280 		ret = nand_read_oob(chip, page, buf, cg->oob_size);
284 		ret = nand_prog_oob(chip, page, buf, cg->oob_size);
296 	struct nand_chip *chip;
308 	chip = (struct nand_chip *)dev->si_drv1;
309 	cg = &chip->chip_geom;
310 	nandbus = device_get_parent(chip->dev);
316 		/* Check if len is not bigger than chip size */
334 		ret = nand_erase_blocks(chip, ((off_t *)data)[0],
340 		ret = nand_oob_access(chip, oob_rw->page, 0,
346 		ret = nand_oob_access(chip, oob_rw->page, 0,
365 			ret = nand_prog_pages_raw(chip, raw_rw->off + off, buf,
379 			ret = nand_read_pages_raw(chip, raw_rw->off + off, buf,
393 		ret = nand_page_stat(chip, (struct page_stat_io *)data);
397 		ret = nand_block_stat(chip, (struct block_stat_io *)data);
401 		nand_get_chip_param(chip, (struct chip_param_io *)data);
416 nand_page_stat(struct nand_chip *chip, struct page_stat_io *page_stat)
422 	cg = &chip->chip_geom;
427 	stat = &chip->pg_stat[page_stat->page_num];
440 nand_block_stat(struct nand_chip *chip, struct block_stat_io *block_stat)
445 	cg = &chip->chip_geom;
449 	block_stat->block_erased = chip->blk_stat[block_num].block_erased;