C++ (Cpp) sd_gpio_enable Examples

Example #1

File: sd.c Project: rofehr/aml-original-linux-kernel

static int sd_request(struct memory_card *card, struct card_blk_request *brq)
{
	SD_MMC_Card_Info_t *sd_mmc_info = (SD_MMC_Card_Info_t *)card->card_info;
	unsigned int lba, byte_cnt;
	unsigned char *data_buf;
	struct card_host *host = card->host;
	struct memory_card *sdio_card;
	
	lba = brq->card_data.lba;
	byte_cnt = brq->card_data.blk_size * brq->card_data.blk_nums;
	data_buf = brq->crq.buf;

	if(sd_mmc_info == NULL){
		brq->card_data.error = SD_MMC_ERROR_NO_CARD_INS;
		printk("[sd_request] sd_mmc_info == NULL, return SD_MMC_ERROR_NO_CARD_INS\n");
		return 0;
	}

	sdio_close_host_interrupt(SDIO_IF_INT);
	sd_sdio_enable(sd_mmc_info->io_pad_type);
	if(brq->crq.cmd == READ) {
		brq->card_data.error = sd_mmc_read_data(sd_mmc_info, lba, byte_cnt, data_buf);
	}
	else if(brq->crq.cmd == WRITE) {
		brq->card_data.error = sd_mmc_write_data(sd_mmc_info, lba, byte_cnt, data_buf);
	}

	sd_gpio_enable(sd_mmc_info->io_pad_type);

	sdio_card = card_find_card(host, CARD_SDIO);
	if(sdio_card)
	{
		sd_mmc_info = (SD_MMC_Card_Info_t *)sdio_card->card_info;
		sd_sdio_enable(sd_mmc_info->io_pad_type);
		sdio_open_host_interrupt(SDIO_IF_INT);
		if (sd_mmc_info->sd_save_hw_io_flag) {
	    		WRITE_CBUS_REG(SDIO_CONFIG, sd_mmc_info->sd_save_hw_io_config);
	      		WRITE_CBUS_REG(SDIO_MULT_CONFIG, sd_mmc_info->sd_save_hw_io_mult_config);
    		}
	}
	return 0;
}

Example #2

File: sd.c Project: OpenLD/linux-wetek-3.10.y

static int sd_request(struct memory_card *card, struct card_blk_request *brq)
{
	SD_MMC_Card_Info_t *sd_mmc_info = (SD_MMC_Card_Info_t *)card->card_info;
	unsigned int lba, byte_cnt,ret;
	unsigned char *data_buf;
	struct card_host *host = card->host;
	struct memory_card *sdio_card;
	SD_MMC_Card_Info_t *sdio_info;

	lba = brq->card_data.lba;
	byte_cnt = brq->card_data.blk_size * brq->card_data.blk_nums;
	data_buf = brq->crq.buf;

	if(sd_mmc_info == NULL){
		brq->card_data.error = SD_MMC_ERROR_NO_CARD_INS;
		printk("[sd_request] sd_mmc_info == NULL, return SD_MMC_ERROR_NO_CARD_INS\n");
		return 0;
	}

	if(!sd_mmc_info->blk_len){
		card->card_io_init(card);
		card->card_detector(card);

		if(card->card_status == CARD_REMOVED){
			brq->card_data.error = SD_MMC_ERROR_NO_CARD_INS;
			return 0;
		}

#if MESON_CPU_TYPE == MESON_CPU_TYPE_MESON6
		switch_mod_gate_by_type(MOD_SDIO,1);
#endif
		ret = sd_mmc_init(sd_mmc_info);

#if MESON_CPU_TYPE == MESON_CPU_TYPE_MESON6
		switch_mod_gate_by_type(MOD_SDIO,0);
#endif
		if(ret){
			brq->card_data.error = SD_MMC_ERROR_NO_CARD_INS;
			return 0;
		}
    }

#if MESON_CPU_TYPE == MESON_CPU_TYPE_MESON6
	switch_mod_gate_by_type(MOD_SDIO,1);
#endif

	sdio_card = card_find_card(host, CARD_SDIO);
	if (sdio_card) {
		sdio_close_host_interrupt(SDIO_IF_INT);
		sdio_info = (SD_MMC_Card_Info_t *)sdio_card->card_info;
		sd_gpio_enable(sdio_info->io_pad_type);
	}

	sd_sdio_enable(sd_mmc_info->io_pad_type);
	if(brq->crq.cmd == READ) {
		brq->card_data.error = sd_mmc_read_data(sd_mmc_info, lba, byte_cnt, data_buf);
	}
	else if(brq->crq.cmd == WRITE) {
		brq->card_data.error = sd_mmc_write_data(sd_mmc_info, lba, byte_cnt, data_buf);
	}
	sd_gpio_enable(sd_mmc_info->io_pad_type);

	if(brq->card_data.error == SD_WAIT_FOR_COMPLETION_TIMEOUT)
        {
                printk("[sd_request] wait for completion timeout, reinit\n");
                card->card_io_init(card);
                card->card_detector(card);

                if(card->card_status == CARD_REMOVED){
			printk("[sd_request] card removed\n");
                        brq->card_data.error = SD_MMC_ERROR_NO_CARD_INS;
                        return 0;
                }
                sd_mmc_staff_init(sd_mmc_info);
                ret = sd_mmc_init(sd_mmc_info);
                if(ret){
                        printk("[sd_request] reinit fail %d\n", ret);
                        brq->card_data.error = SD_MMC_ERROR_NO_CARD_INS;
                        return 0;
                }

                sd_sdio_enable(sd_mmc_info->io_pad_type);
                if(brq->crq.cmd == READ) {
                        brq->card_data.error = sd_mmc_read_data(sd_mmc_info, lba, byte_cnt, data_buf);
                }
                else if(brq->crq.cmd == WRITE) {
                        brq->card_data.error = sd_mmc_write_data(sd_mmc_info, lba, byte_cnt, data_buf);
                }
                sd_gpio_enable(sd_mmc_info->io_pad_type);
                if(brq->card_data.error == SD_WAIT_FOR_COMPLETION_TIMEOUT)
                        printk("[sd_request] after reinit still error \n");
        }

	sdio_card = card_find_card(host, CARD_SDIO);
	if(sdio_card) {
		sdio_info = (SD_MMC_Card_Info_t *)sdio_card->card_info;
		sd_sdio_enable(sdio_info->io_pad_type);
		if (sdio_info->sd_save_hw_io_flag) {
			WRITE_CBUS_REG(SDIO_CONFIG, sdio_info->sd_save_hw_io_config);
			WRITE_CBUS_REG(SDIO_MULT_CONFIG, sdio_info->sd_save_hw_io_mult_config);
	}
		sdio_open_host_interrupt(SDIO_IF_INT);
	}

#if MESON_CPU_TYPE == MESON_CPU_TYPE_MESON6
	switch_mod_gate_by_type(MOD_SDIO,0);
#endif

	return 0;
}