Lines Matching refs:c
68 struct omap2_onenand *c = data; in omap2_onenand_dma_cb() local
70 complete(&c->dma_done); in omap2_onenand_dma_cb()
75 struct omap2_onenand *c = dev_id; in omap2_onenand_interrupt() local
77 complete(&c->irq_done); in omap2_onenand_interrupt()
82 static inline unsigned short read_reg(struct omap2_onenand *c, int reg) in read_reg() argument
84 return readw(c->onenand.base + reg); in read_reg()
87 static inline void write_reg(struct omap2_onenand *c, unsigned short value, in write_reg() argument
90 writew(value, c->onenand.base + reg); in write_reg()
108 struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd); in omap2_onenand_wait() local
134 intr = read_reg(c, ONENAND_REG_INTERRUPT); in omap2_onenand_wait()
138 ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS); in omap2_onenand_wait()
152 syscfg = read_reg(c, ONENAND_REG_SYS_CFG1); in omap2_onenand_wait()
155 write_reg(c, syscfg, ONENAND_REG_SYS_CFG1); in omap2_onenand_wait()
156 if (c->flags & ONENAND_IN_OMAP34XX) in omap2_onenand_wait()
158 syscfg = read_reg(c, ONENAND_REG_SYS_CFG1); in omap2_onenand_wait()
161 reinit_completion(&c->irq_done); in omap2_onenand_wait()
162 if (c->gpio_irq) { in omap2_onenand_wait()
163 result = gpio_get_value(c->gpio_irq); in omap2_onenand_wait()
165 ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS); in omap2_onenand_wait()
166 intr = read_reg(c, ONENAND_REG_INTERRUPT); in omap2_onenand_wait()
175 result = wait_for_completion_timeout(&c->irq_done, in omap2_onenand_wait()
179 ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS); in omap2_onenand_wait()
189 intr = read_reg(c, in omap2_onenand_wait()
194 intr = read_reg(c, ONENAND_REG_INTERRUPT); in omap2_onenand_wait()
203 syscfg = read_reg(c, ONENAND_REG_SYS_CFG1); in omap2_onenand_wait()
205 write_reg(c, syscfg, ONENAND_REG_SYS_CFG1); in omap2_onenand_wait()
210 intr = read_reg(c, ONENAND_REG_INTERRUPT); in omap2_onenand_wait()
215 ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS); in omap2_onenand_wait()
233 intr = read_reg(c, ONENAND_REG_INTERRUPT); in omap2_onenand_wait()
234 ctrl = read_reg(c, ONENAND_REG_CTRL_STATUS); in omap2_onenand_wait()
237 int ecc = read_reg(c, ONENAND_REG_ECC_STATUS); in omap2_onenand_wait()
242 addr1 = read_reg(c, ONENAND_REG_START_ADDRESS1); in omap2_onenand_wait()
243 addr8 = read_reg(c, ONENAND_REG_START_ADDRESS8); in omap2_onenand_wait()
300 struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd); in omap3_onenand_read_bufferram() local
335 dma_src = c->phys_base + bram_offset; in omap3_onenand_read_bufferram()
336 dma_dst = dma_map_single(&c->pdev->dev, buf, count, DMA_FROM_DEVICE); in omap3_onenand_read_bufferram()
337 if (dma_mapping_error(&c->pdev->dev, dma_dst)) { in omap3_onenand_read_bufferram()
338 dev_err(&c->pdev->dev, in omap3_onenand_read_bufferram()
344 omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S32, in omap3_onenand_read_bufferram()
346 omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, in omap3_onenand_read_bufferram()
348 omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, in omap3_onenand_read_bufferram()
351 reinit_completion(&c->dma_done); in omap3_onenand_read_bufferram()
352 omap_start_dma(c->dma_channel); in omap3_onenand_read_bufferram()
355 done = &c->dma_done.done; in omap3_onenand_read_bufferram()
360 dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_FROM_DEVICE); in omap3_onenand_read_bufferram()
363 dev_err(&c->pdev->dev, "timeout waiting for DMA\n"); in omap3_onenand_read_bufferram()
378 struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd); in omap3_onenand_write_bufferram() local
406 dma_src = dma_map_single(&c->pdev->dev, buf, count, DMA_TO_DEVICE); in omap3_onenand_write_bufferram()
407 dma_dst = c->phys_base + bram_offset; in omap3_onenand_write_bufferram()
408 if (dma_mapping_error(&c->pdev->dev, dma_src)) { in omap3_onenand_write_bufferram()
409 dev_err(&c->pdev->dev, in omap3_onenand_write_bufferram()
415 omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S32, in omap3_onenand_write_bufferram()
417 omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, in omap3_onenand_write_bufferram()
419 omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, in omap3_onenand_write_bufferram()
422 reinit_completion(&c->dma_done); in omap3_onenand_write_bufferram()
423 omap_start_dma(c->dma_channel); in omap3_onenand_write_bufferram()
426 done = &c->dma_done.done; in omap3_onenand_write_bufferram()
431 dma_unmap_single(&c->pdev->dev, dma_src, count, DMA_TO_DEVICE); in omap3_onenand_write_bufferram()
434 dev_err(&c->pdev->dev, "timeout waiting for DMA\n"); in omap3_onenand_write_bufferram()
469 struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd); in omap2_onenand_read_bufferram() local
476 if (1 || (c->dma_channel < 0) || in omap2_onenand_read_bufferram()
484 dma_src = c->phys_base + bram_offset; in omap2_onenand_read_bufferram()
485 dma_dst = dma_map_single(&c->pdev->dev, buffer, count, in omap2_onenand_read_bufferram()
487 if (dma_mapping_error(&c->pdev->dev, dma_dst)) { in omap2_onenand_read_bufferram()
488 dev_err(&c->pdev->dev, in omap2_onenand_read_bufferram()
494 omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S32, in omap2_onenand_read_bufferram()
496 omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, in omap2_onenand_read_bufferram()
498 omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, in omap2_onenand_read_bufferram()
501 reinit_completion(&c->dma_done); in omap2_onenand_read_bufferram()
502 omap_start_dma(c->dma_channel); in omap2_onenand_read_bufferram()
503 wait_for_completion(&c->dma_done); in omap2_onenand_read_bufferram()
505 dma_unmap_single(&c->pdev->dev, dma_dst, count, DMA_FROM_DEVICE); in omap2_onenand_read_bufferram()
514 struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd); in omap2_onenand_write_bufferram() local
521 if (1 || (c->dma_channel < 0) || in omap2_onenand_write_bufferram()
529 dma_src = dma_map_single(&c->pdev->dev, (void *) buffer, count, in omap2_onenand_write_bufferram()
531 dma_dst = c->phys_base + bram_offset; in omap2_onenand_write_bufferram()
532 if (dma_mapping_error(&c->pdev->dev, dma_src)) { in omap2_onenand_write_bufferram()
533 dev_err(&c->pdev->dev, in omap2_onenand_write_bufferram()
539 omap_set_dma_transfer_params(c->dma_channel, OMAP_DMA_DATA_TYPE_S16, in omap2_onenand_write_bufferram()
541 omap_set_dma_src_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, in omap2_onenand_write_bufferram()
543 omap_set_dma_dest_params(c->dma_channel, 0, OMAP_DMA_AMODE_POST_INC, in omap2_onenand_write_bufferram()
546 reinit_completion(&c->dma_done); in omap2_onenand_write_bufferram()
547 omap_start_dma(c->dma_channel); in omap2_onenand_write_bufferram()
548 wait_for_completion(&c->dma_done); in omap2_onenand_write_bufferram()
550 dma_unmap_single(&c->pdev->dev, dma_src, count, DMA_TO_DEVICE); in omap2_onenand_write_bufferram()
577 struct omap2_onenand *c = dev_get_drvdata(&pdev->dev); in omap2_onenand_shutdown() local
583 memset((__force void *)c->onenand.base, 0, ONENAND_BUFRAM_SIZE); in omap2_onenand_shutdown()
589 struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd); in omap2_onenand_enable() local
591 ret = regulator_enable(c->regulator); in omap2_onenand_enable()
593 dev_err(&c->pdev->dev, "can't enable regulator\n"); in omap2_onenand_enable()
601 struct omap2_onenand *c = container_of(mtd, struct omap2_onenand, mtd); in omap2_onenand_disable() local
603 ret = regulator_disable(c->regulator); in omap2_onenand_disable()
605 dev_err(&c->pdev->dev, "can't disable regulator\n"); in omap2_onenand_disable()
613 struct omap2_onenand *c; in omap2_onenand_probe() local
624 c = kzalloc(sizeof(struct omap2_onenand), GFP_KERNEL); in omap2_onenand_probe()
625 if (!c) in omap2_onenand_probe()
628 init_completion(&c->irq_done); in omap2_onenand_probe()
629 init_completion(&c->dma_done); in omap2_onenand_probe()
630 c->flags = pdata->flags; in omap2_onenand_probe()
631 c->gpmc_cs = pdata->cs; in omap2_onenand_probe()
632 c->gpio_irq = pdata->gpio_irq; in omap2_onenand_probe()
633 c->dma_channel = pdata->dma_channel; in omap2_onenand_probe()
634 if (c->dma_channel < 0) { in omap2_onenand_probe()
636 c->gpio_irq = 0; in omap2_onenand_probe()
646 c->phys_base = res->start; in omap2_onenand_probe()
647 c->mem_size = resource_size(res); in omap2_onenand_probe()
649 if (request_mem_region(c->phys_base, c->mem_size, in omap2_onenand_probe()
652 c->phys_base, c->mem_size); in omap2_onenand_probe()
656 c->onenand.base = ioremap(c->phys_base, c->mem_size); in omap2_onenand_probe()
657 if (c->onenand.base == NULL) { in omap2_onenand_probe()
663 r = pdata->onenand_setup(c->onenand.base, &c->freq); in omap2_onenand_probe()
669 c->setup = pdata->onenand_setup; in omap2_onenand_probe()
672 if (c->gpio_irq) { in omap2_onenand_probe()
673 if ((r = gpio_request(c->gpio_irq, "OneNAND irq")) < 0) { in omap2_onenand_probe()
675 "OneNAND\n", c->gpio_irq); in omap2_onenand_probe()
678 gpio_direction_input(c->gpio_irq); in omap2_onenand_probe()
680 if ((r = request_irq(gpio_to_irq(c->gpio_irq), in omap2_onenand_probe()
682 pdev->dev.driver->name, c)) < 0) in omap2_onenand_probe()
686 if (c->dma_channel >= 0) { in omap2_onenand_probe()
688 omap2_onenand_dma_cb, (void *) c, in omap2_onenand_probe()
689 &c->dma_channel); in omap2_onenand_probe()
691 omap_set_dma_write_mode(c->dma_channel, in omap2_onenand_probe()
693 omap_set_dma_src_data_pack(c->dma_channel, 1); in omap2_onenand_probe()
694 omap_set_dma_src_burst_mode(c->dma_channel, in omap2_onenand_probe()
696 omap_set_dma_dest_data_pack(c->dma_channel, 1); in omap2_onenand_probe()
697 omap_set_dma_dest_burst_mode(c->dma_channel, in omap2_onenand_probe()
703 c->dma_channel = -1; in omap2_onenand_probe()
708 "base %p, freq %d MHz\n", c->gpmc_cs, c->phys_base, in omap2_onenand_probe()
709 c->onenand.base, c->freq); in omap2_onenand_probe()
711 c->pdev = pdev; in omap2_onenand_probe()
712 c->mtd.priv = &c->onenand; in omap2_onenand_probe()
714 c->mtd.dev.parent = &pdev->dev; in omap2_onenand_probe()
715 mtd_set_of_node(&c->mtd, pdata->of_node); in omap2_onenand_probe()
717 this = &c->onenand; in omap2_onenand_probe()
718 if (c->dma_channel >= 0) { in omap2_onenand_probe()
720 if (c->flags & ONENAND_IN_OMAP34XX) { in omap2_onenand_probe()
730 c->regulator = regulator_get(&pdev->dev, "vonenand"); in omap2_onenand_probe()
731 if (IS_ERR(c->regulator)) { in omap2_onenand_probe()
733 r = PTR_ERR(c->regulator); in omap2_onenand_probe()
736 c->onenand.enable = omap2_onenand_enable; in omap2_onenand_probe()
737 c->onenand.disable = omap2_onenand_disable; in omap2_onenand_probe()
743 if ((r = onenand_scan(&c->mtd, 1)) < 0) in omap2_onenand_probe()
746 r = mtd_device_register(&c->mtd, pdata ? pdata->parts : NULL, in omap2_onenand_probe()
751 platform_set_drvdata(pdev, c); in omap2_onenand_probe()
756 onenand_release(&c->mtd); in omap2_onenand_probe()
758 regulator_put(c->regulator); in omap2_onenand_probe()
760 if (c->dma_channel != -1) in omap2_onenand_probe()
761 omap_free_dma(c->dma_channel); in omap2_onenand_probe()
762 if (c->gpio_irq) in omap2_onenand_probe()
763 free_irq(gpio_to_irq(c->gpio_irq), c); in omap2_onenand_probe()
765 if (c->gpio_irq) in omap2_onenand_probe()
766 gpio_free(c->gpio_irq); in omap2_onenand_probe()
768 iounmap(c->onenand.base); in omap2_onenand_probe()
770 release_mem_region(c->phys_base, c->mem_size); in omap2_onenand_probe()
772 kfree(c); in omap2_onenand_probe()
779 struct omap2_onenand *c = dev_get_drvdata(&pdev->dev); in omap2_onenand_remove() local
781 onenand_release(&c->mtd); in omap2_onenand_remove()
782 regulator_put(c->regulator); in omap2_onenand_remove()
783 if (c->dma_channel != -1) in omap2_onenand_remove()
784 omap_free_dma(c->dma_channel); in omap2_onenand_remove()
786 if (c->gpio_irq) { in omap2_onenand_remove()
787 free_irq(gpio_to_irq(c->gpio_irq), c); in omap2_onenand_remove()
788 gpio_free(c->gpio_irq); in omap2_onenand_remove()
790 iounmap(c->onenand.base); in omap2_onenand_remove()
791 release_mem_region(c->phys_base, c->mem_size); in omap2_onenand_remove()
792 kfree(c); in omap2_onenand_remove()