Lines Matching refs:mmc
38 void (*init_hw)(struct mmc_host *mmc);
39 void (*set_pdma)(struct mmc_host *mmc);
40 void (*wait_before_send)(struct mmc_host *mmc);
45 struct mmc_host *mmc; member
68 static void meson_mx_sdhc_hw_reset(struct mmc_host *mmc) in meson_mx_sdhc_hw_reset() argument
70 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_hw_reset()
82 static void meson_mx_sdhc_clear_fifo(struct mmc_host *mmc) in meson_mx_sdhc_clear_fifo() argument
84 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_clear_fifo()
99 dev_warn(mmc_dev(host->mmc), in meson_mx_sdhc_clear_fifo()
105 static void meson_mx_sdhc_wait_cmd_ready(struct mmc_host *mmc) in meson_mx_sdhc_wait_cmd_ready() argument
107 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_wait_cmd_ready()
116 dev_warn(mmc_dev(mmc), in meson_mx_sdhc_wait_cmd_ready()
119 meson_mx_sdhc_hw_reset(mmc); in meson_mx_sdhc_wait_cmd_ready()
127 dev_warn(mmc_dev(mmc), in meson_mx_sdhc_wait_cmd_ready()
130 meson_mx_sdhc_hw_reset(mmc); in meson_mx_sdhc_wait_cmd_ready()
134 static void meson_mx_sdhc_start_cmd(struct mmc_host *mmc, in meson_mx_sdhc_start_cmd() argument
137 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_start_cmd()
228 meson_mx_sdhc_wait_cmd_ready(mmc); in meson_mx_sdhc_start_cmd()
231 host->platform->set_pdma(mmc); in meson_mx_sdhc_start_cmd()
234 host->platform->wait_before_send(mmc); in meson_mx_sdhc_start_cmd()
239 static void meson_mx_sdhc_disable_clks(struct mmc_host *mmc) in meson_mx_sdhc_disable_clks() argument
241 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_disable_clks()
251 static int meson_mx_sdhc_enable_clks(struct mmc_host *mmc) in meson_mx_sdhc_enable_clks() argument
253 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_enable_clks()
269 static int meson_mx_sdhc_set_clk(struct mmc_host *mmc, struct mmc_ios *ios) in meson_mx_sdhc_set_clk() argument
271 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_set_clk()
275 meson_mx_sdhc_disable_clks(mmc); in meson_mx_sdhc_set_clk()
280 dev_warn(mmc_dev(mmc), in meson_mx_sdhc_set_clk()
286 ret = meson_mx_sdhc_enable_clks(mmc); in meson_mx_sdhc_set_clk()
290 mmc->actual_clock = clk_get_rate(host->sd_clk); in meson_mx_sdhc_set_clk()
297 if (mmc->actual_clock > 100000000) { in meson_mx_sdhc_set_clk()
299 } else if (mmc->actual_clock > 45000000) { in meson_mx_sdhc_set_clk()
304 } else if (mmc->actual_clock >= 25000000) { in meson_mx_sdhc_set_clk()
306 } else if (mmc->actual_clock > 5000000) { in meson_mx_sdhc_set_clk()
308 } else if (mmc->actual_clock > 1000000) { in meson_mx_sdhc_set_clk()
319 mmc->actual_clock = 0; in meson_mx_sdhc_set_clk()
325 static void meson_mx_sdhc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) in meson_mx_sdhc_set_ios() argument
327 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_set_ios()
336 if (!IS_ERR(mmc->supply.vmmc)) { in meson_mx_sdhc_set_ios()
337 host->error = mmc_regulator_set_ocr(mmc, in meson_mx_sdhc_set_ios()
338 mmc->supply.vmmc, in meson_mx_sdhc_set_ios()
350 host->error = meson_mx_sdhc_set_clk(mmc, ios); in meson_mx_sdhc_set_ios()
374 dev_err(mmc_dev(mmc), "unsupported bus width: %d\n", in meson_mx_sdhc_set_ios()
381 static int meson_mx_sdhc_map_dma(struct mmc_host *mmc, struct mmc_request *mrq) in meson_mx_sdhc_map_dma() argument
389 dma_len = dma_map_sg(mmc_dev(mmc), data->sg, data->sg_len, in meson_mx_sdhc_map_dma()
392 dev_err(mmc_dev(mmc), "dma_map_sg failed\n"); in meson_mx_sdhc_map_dma()
399 static void meson_mx_sdhc_request(struct mmc_host *mmc, struct mmc_request *mrq) in meson_mx_sdhc_request() argument
401 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_request()
405 host->error = meson_mx_sdhc_map_dma(mmc, mrq); in meson_mx_sdhc_request()
409 mmc_request_done(mmc, mrq); in meson_mx_sdhc_request()
415 meson_mx_sdhc_start_cmd(mmc, mrq->cmd); in meson_mx_sdhc_request()
418 static int meson_mx_sdhc_card_busy(struct mmc_host *mmc) in meson_mx_sdhc_card_busy() argument
420 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_card_busy()
427 static bool meson_mx_sdhc_tuning_point_matches(struct mmc_host *mmc, in meson_mx_sdhc_tuning_point_matches() argument
434 ret = mmc_send_tuning(mmc, opcode, NULL); in meson_mx_sdhc_tuning_point_matches()
442 static int meson_mx_sdhc_execute_tuning(struct mmc_host *mmc, u32 opcode) in meson_mx_sdhc_execute_tuning() argument
444 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_execute_tuning()
465 if (meson_mx_sdhc_tuning_point_matches(mmc, opcode)) { in meson_mx_sdhc_execute_tuning()
469 dev_dbg(mmc_dev(mmc), in meson_mx_sdhc_execute_tuning()
480 dev_dbg(mmc_dev(mmc), in meson_mx_sdhc_execute_tuning()
508 dev_dbg(mmc_dev(mmc), "Tuned RX clock phase to %u\n", new_phase); in meson_mx_sdhc_execute_tuning()
526 struct mmc_host *mmc = host->mmc; in meson_mx_sdhc_request_done() local
537 mmc_request_done(mmc, mrq); in meson_mx_sdhc_request_done()
584 dev_dbg(mmc_dev(host->mmc), "CMD%d error, ISTA: 0x%08x\n", in meson_mx_sdhc_irq()
603 meson_mx_sdhc_wait_cmd_ready(host->mmc); in meson_mx_sdhc_irq_thread()
619 dma_unmap_sg(mmc_dev(host->mmc), cmd->data->sg, in meson_mx_sdhc_irq_thread()
625 meson_mx_sdhc_wait_cmd_ready(host->mmc); in meson_mx_sdhc_irq_thread()
637 meson_mx_sdhc_hw_reset(host->mmc); in meson_mx_sdhc_irq_thread()
645 meson_mx_sdhc_clear_fifo(host->mmc); in meson_mx_sdhc_irq_thread()
652 static void meson_mx_sdhc_init_hw_meson8(struct mmc_host *mmc) in meson_mx_sdhc_init_hw_meson8() argument
654 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_init_hw_meson8()
668 static void meson_mx_sdhc_set_pdma_meson8(struct mmc_host *mmc) in meson_mx_sdhc_set_pdma_meson8() argument
670 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_set_pdma_meson8()
694 static void meson_mx_sdhc_wait_before_send_meson8(struct mmc_host *mmc) in meson_mx_sdhc_wait_before_send_meson8() argument
696 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_wait_before_send_meson8()
705 dev_warn(mmc_dev(mmc), in meson_mx_sdhc_wait_before_send_meson8()
714 dev_warn(mmc_dev(mmc), in meson_mx_sdhc_wait_before_send_meson8()
719 static void meson_mx_sdhc_init_hw_meson8m2(struct mmc_host *mmc) in meson_mx_sdhc_init_hw_meson8m2() argument
721 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_init_hw_meson8m2()
735 static void meson_mx_sdhc_set_pdma_meson8m2(struct mmc_host *mmc) in meson_mx_sdhc_set_pdma_meson8m2() argument
737 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_set_pdma_meson8m2()
743 static void meson_mx_sdhc_init_hw(struct mmc_host *mmc) in meson_mx_sdhc_init_hw() argument
745 struct meson_mx_sdhc_host *host = mmc_priv(mmc); in meson_mx_sdhc_init_hw()
747 meson_mx_sdhc_hw_reset(mmc); in meson_mx_sdhc_init_hw()
772 host->platform->init_hw(mmc); in meson_mx_sdhc_init_hw()
783 struct mmc_host *mmc; in meson_mx_sdhc_probe() local
787 mmc = mmc_alloc_host(sizeof(*host), dev); in meson_mx_sdhc_probe()
788 if (!mmc) in meson_mx_sdhc_probe()
792 mmc); in meson_mx_sdhc_probe()
798 host = mmc_priv(mmc); in meson_mx_sdhc_probe()
799 host->mmc = mmc; in meson_mx_sdhc_probe()
827 meson_mx_sdhc_init_hw(mmc); in meson_mx_sdhc_probe()
836 ret = mmc_regulator_get_supply(mmc); in meson_mx_sdhc_probe()
840 mmc->max_req_size = SZ_128K; in meson_mx_sdhc_probe()
841 mmc->max_seg_size = mmc->max_req_size; in meson_mx_sdhc_probe()
842 mmc->max_blk_count = FIELD_GET(MESON_SDHC_SEND_TOTAL_PACK, ~0); in meson_mx_sdhc_probe()
843 mmc->max_blk_size = MESON_SDHC_MAX_BLK_SIZE; in meson_mx_sdhc_probe()
844 mmc->max_busy_timeout = 30 * MSEC_PER_SEC; in meson_mx_sdhc_probe()
845 mmc->f_min = clk_round_rate(host->sd_clk, 1); in meson_mx_sdhc_probe()
846 mmc->f_max = clk_round_rate(host->sd_clk, ULONG_MAX); in meson_mx_sdhc_probe()
847 mmc->max_current_180 = 300; in meson_mx_sdhc_probe()
848 mmc->max_current_330 = 300; in meson_mx_sdhc_probe()
849 mmc->caps |= MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_HW_RESET; in meson_mx_sdhc_probe()
850 mmc->ops = &meson_mx_sdhc_ops; in meson_mx_sdhc_probe()
852 ret = mmc_of_parse(mmc); in meson_mx_sdhc_probe()
868 ret = mmc_add_host(mmc); in meson_mx_sdhc_probe()
883 mmc_remove_host(host->mmc); in meson_mx_sdhc_remove()
885 meson_mx_sdhc_disable_clks(host->mmc); in meson_mx_sdhc_remove()