1 // SPDX-License-Identifier: GPL-2.0-only
14 #include <linux/fault-inject.h>
34 static int mmc_ios_show(struct seq_file *s, void *data)  in mmc_ios_show()  argument
55 	struct mmc_host	*host = s->private;  in mmc_ios_show()
56 	struct mmc_ios	*ios = &host->ios;  in mmc_ios_show()
59 	seq_printf(s, "clock:\t\t%u Hz\n", ios->clock);  in mmc_ios_show()
60 	if (host->actual_clock)  in mmc_ios_show()
61 		seq_printf(s, "actual clock:\t%u Hz\n", host->actual_clock);  in mmc_ios_show()
62 	seq_printf(s, "vdd:\t\t%u ", ios->vdd);  in mmc_ios_show()
63 	if ((1 << ios->vdd) & MMC_VDD_165_195)  in mmc_ios_show()
64 		seq_printf(s, "(1.65 - 1.95 V)\n");  in mmc_ios_show()
65 	else if (ios->vdd < (ARRAY_SIZE(vdd_str) - 1)  in mmc_ios_show()
66 			&& vdd_str[ios->vdd] && vdd_str[ios->vdd + 1])  in mmc_ios_show()
67 		seq_printf(s, "(%s ~ %s V)\n", vdd_str[ios->vdd],  in mmc_ios_show()
68 				vdd_str[ios->vdd + 1]);  in mmc_ios_show()
70 		seq_printf(s, "(invalid)\n");  in mmc_ios_show()
72 	switch (ios->bus_mode) {  in mmc_ios_show()
77 		str = "push-pull";  in mmc_ios_show()
83 	seq_printf(s, "bus mode:\t%u (%s)\n", ios->bus_mode, str);  in mmc_ios_show()
85 	switch (ios->chip_select) {  in mmc_ios_show()
99 	seq_printf(s, "chip select:\t%u (%s)\n", ios->chip_select, str);  in mmc_ios_show()
101 	switch (ios->power_mode) {  in mmc_ios_show()
115 	seq_printf(s, "power mode:\t%u (%s)\n", ios->power_mode, str);  in mmc_ios_show()
116 	seq_printf(s, "bus width:\t%u (%u bits)\n",  in mmc_ios_show()
117 			ios->bus_width, 1 << ios->bus_width);  in mmc_ios_show()
119 	switch (ios->timing) {  in mmc_ios_show()
124 		str = "mmc high-speed";  in mmc_ios_show()
127 		str = "sd high-speed";  in mmc_ios_show()
151 		str = mmc_card_hs400es(host->card) ?  in mmc_ios_show()
158 	seq_printf(s, "timing spec:\t%u (%s)\n", ios->timing, str);  in mmc_ios_show()
160 	switch (ios->signal_voltage) {  in mmc_ios_show()
174 	seq_printf(s, "signal voltage:\t%u (%s)\n", ios->signal_voltage, str);  in mmc_ios_show()
176 	switch (ios->drv_type) {  in mmc_ios_show()
193 	seq_printf(s, "driver type:\t%u (%s)\n", ios->drv_type, str);  in mmc_ios_show()
203 	*val = host->ios.clock;  in mmc_clock_opt_get()
213 	if (val != 0 && (val > host->f_max || val < host->f_min))  in mmc_clock_opt_set()
214 		return -EINVAL;  in mmc_clock_opt_set()
231 	host->debugfs_root = root;  in mmc_add_host_debugfs()
234 	debugfs_create_x32("caps", S_IRUSR, root, &host->caps);  in mmc_add_host_debugfs()
235 	debugfs_create_x32("caps2", S_IRUSR, root, &host->caps2);  in mmc_add_host_debugfs()
242 	host->fail_mmc_request = fail_default_attr;  in mmc_add_host_debugfs()
244 				  &host->fail_mmc_request);  in mmc_add_host_debugfs()
250 	debugfs_remove_recursive(host->debugfs_root);  in mmc_remove_host_debugfs()
255 	struct mmc_host	*host = card->host;  in mmc_add_card_debugfs()
258 	if (!host->debugfs_root)  in mmc_add_card_debugfs()
261 	root = debugfs_create_dir(mmc_card_id(card), host->debugfs_root);  in mmc_add_card_debugfs()
262 	card->debugfs_root = root;  in mmc_add_card_debugfs()
264 	debugfs_create_x32("state", S_IRUSR, root, &card->state);  in mmc_add_card_debugfs()
269 	debugfs_remove_recursive(card->debugfs_root);  in mmc_remove_card_debugfs()
270 	card->debugfs_root = NULL;  in mmc_remove_card_debugfs()