Lines Matching refs:host
40 pr_debug("%s: " DRIVER_NAME ": " f, mmc_hostname(host->mmc), ## x)
43 pr_err("%s: " DRIVER_NAME ": " f, mmc_hostname(host->mmc), ## x)
50 static void sdhci_enable_preset_value(struct sdhci_host *host, bool enable);
52 static bool sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd);
54 void sdhci_dumpregs(struct sdhci_host *host) in sdhci_dumpregs() argument
59 sdhci_readl(host, SDHCI_DMA_ADDRESS), in sdhci_dumpregs()
60 sdhci_readw(host, SDHCI_HOST_VERSION)); in sdhci_dumpregs()
62 sdhci_readw(host, SDHCI_BLOCK_SIZE), in sdhci_dumpregs()
63 sdhci_readw(host, SDHCI_BLOCK_COUNT)); in sdhci_dumpregs()
65 sdhci_readl(host, SDHCI_ARGUMENT), in sdhci_dumpregs()
66 sdhci_readw(host, SDHCI_TRANSFER_MODE)); in sdhci_dumpregs()
68 sdhci_readl(host, SDHCI_PRESENT_STATE), in sdhci_dumpregs()
69 sdhci_readb(host, SDHCI_HOST_CONTROL)); in sdhci_dumpregs()
71 sdhci_readb(host, SDHCI_POWER_CONTROL), in sdhci_dumpregs()
72 sdhci_readb(host, SDHCI_BLOCK_GAP_CONTROL)); in sdhci_dumpregs()
74 sdhci_readb(host, SDHCI_WAKE_UP_CONTROL), in sdhci_dumpregs()
75 sdhci_readw(host, SDHCI_CLOCK_CONTROL)); in sdhci_dumpregs()
77 sdhci_readb(host, SDHCI_TIMEOUT_CONTROL), in sdhci_dumpregs()
78 sdhci_readl(host, SDHCI_INT_STATUS)); in sdhci_dumpregs()
80 sdhci_readl(host, SDHCI_INT_ENABLE), in sdhci_dumpregs()
81 sdhci_readl(host, SDHCI_SIGNAL_ENABLE)); in sdhci_dumpregs()
83 sdhci_readw(host, SDHCI_AUTO_CMD_STATUS), in sdhci_dumpregs()
84 sdhci_readw(host, SDHCI_SLOT_INT_STATUS)); in sdhci_dumpregs()
86 sdhci_readl(host, SDHCI_CAPABILITIES), in sdhci_dumpregs()
87 sdhci_readl(host, SDHCI_CAPABILITIES_1)); in sdhci_dumpregs()
89 sdhci_readw(host, SDHCI_COMMAND), in sdhci_dumpregs()
90 sdhci_readl(host, SDHCI_MAX_CURRENT)); in sdhci_dumpregs()
92 sdhci_readl(host, SDHCI_RESPONSE), in sdhci_dumpregs()
93 sdhci_readl(host, SDHCI_RESPONSE + 4)); in sdhci_dumpregs()
95 sdhci_readl(host, SDHCI_RESPONSE + 8), in sdhci_dumpregs()
96 sdhci_readl(host, SDHCI_RESPONSE + 12)); in sdhci_dumpregs()
98 sdhci_readw(host, SDHCI_HOST_CONTROL2)); in sdhci_dumpregs()
100 if (host->flags & SDHCI_USE_ADMA) { in sdhci_dumpregs()
101 if (host->flags & SDHCI_USE_64_BIT_DMA) { in sdhci_dumpregs()
103 sdhci_readl(host, SDHCI_ADMA_ERROR), in sdhci_dumpregs()
104 sdhci_readl(host, SDHCI_ADMA_ADDRESS_HI), in sdhci_dumpregs()
105 sdhci_readl(host, SDHCI_ADMA_ADDRESS)); in sdhci_dumpregs()
108 sdhci_readl(host, SDHCI_ADMA_ERROR), in sdhci_dumpregs()
109 sdhci_readl(host, SDHCI_ADMA_ADDRESS)); in sdhci_dumpregs()
113 if (host->ops->dump_vendor_regs) in sdhci_dumpregs()
114 host->ops->dump_vendor_regs(host); in sdhci_dumpregs()
126 static void sdhci_do_enable_v4_mode(struct sdhci_host *host) in sdhci_do_enable_v4_mode() argument
130 ctrl2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); in sdhci_do_enable_v4_mode()
135 sdhci_writew(host, ctrl2, SDHCI_HOST_CONTROL2); in sdhci_do_enable_v4_mode()
142 void sdhci_enable_v4_mode(struct sdhci_host *host) in sdhci_enable_v4_mode() argument
144 host->v4_mode = true; in sdhci_enable_v4_mode()
145 sdhci_do_enable_v4_mode(host); in sdhci_enable_v4_mode()
154 static void sdhci_set_card_detection(struct sdhci_host *host, bool enable) in sdhci_set_card_detection() argument
158 if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) || in sdhci_set_card_detection()
159 !mmc_card_is_removable(host->mmc) || mmc_can_gpio_cd(host->mmc)) in sdhci_set_card_detection()
163 present = sdhci_readl(host, SDHCI_PRESENT_STATE) & in sdhci_set_card_detection()
166 host->ier |= present ? SDHCI_INT_CARD_REMOVE : in sdhci_set_card_detection()
169 host->ier &= ~(SDHCI_INT_CARD_REMOVE | SDHCI_INT_CARD_INSERT); in sdhci_set_card_detection()
172 sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); in sdhci_set_card_detection()
173 sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); in sdhci_set_card_detection()
176 static void sdhci_enable_card_detection(struct sdhci_host *host) in sdhci_enable_card_detection() argument
178 sdhci_set_card_detection(host, true); in sdhci_enable_card_detection()
181 static void sdhci_disable_card_detection(struct sdhci_host *host) in sdhci_disable_card_detection() argument
183 sdhci_set_card_detection(host, false); in sdhci_disable_card_detection()
186 static void sdhci_runtime_pm_bus_on(struct sdhci_host *host) in sdhci_runtime_pm_bus_on() argument
188 if (host->bus_on) in sdhci_runtime_pm_bus_on()
190 host->bus_on = true; in sdhci_runtime_pm_bus_on()
191 pm_runtime_get_noresume(mmc_dev(host->mmc)); in sdhci_runtime_pm_bus_on()
194 static void sdhci_runtime_pm_bus_off(struct sdhci_host *host) in sdhci_runtime_pm_bus_off() argument
196 if (!host->bus_on) in sdhci_runtime_pm_bus_off()
198 host->bus_on = false; in sdhci_runtime_pm_bus_off()
199 pm_runtime_put_noidle(mmc_dev(host->mmc)); in sdhci_runtime_pm_bus_off()
202 void sdhci_reset(struct sdhci_host *host, u8 mask) in sdhci_reset() argument
206 sdhci_writeb(host, mask, SDHCI_SOFTWARE_RESET); in sdhci_reset()
209 host->clock = 0; in sdhci_reset()
211 if (host->quirks2 & SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON) in sdhci_reset()
212 sdhci_runtime_pm_bus_off(host); in sdhci_reset()
222 if (!(sdhci_readb(host, SDHCI_SOFTWARE_RESET) & mask)) in sdhci_reset()
226 mmc_hostname(host->mmc), (int)mask); in sdhci_reset()
227 sdhci_dumpregs(host); in sdhci_reset()
235 static void sdhci_do_reset(struct sdhci_host *host, u8 mask) in sdhci_do_reset() argument
237 if (host->quirks & SDHCI_QUIRK_NO_CARD_NO_RESET) { in sdhci_do_reset()
238 struct mmc_host *mmc = host->mmc; in sdhci_do_reset()
244 host->ops->reset(host, mask); in sdhci_do_reset()
247 if (host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) { in sdhci_do_reset()
248 if (host->ops->enable_dma) in sdhci_do_reset()
249 host->ops->enable_dma(host); in sdhci_do_reset()
253 host->preset_enabled = false; in sdhci_do_reset()
257 static void sdhci_set_default_irqs(struct sdhci_host *host) in sdhci_set_default_irqs() argument
259 host->ier = SDHCI_INT_BUS_POWER | SDHCI_INT_DATA_END_BIT | in sdhci_set_default_irqs()
265 if (host->tuning_mode == SDHCI_TUNING_MODE_2 || in sdhci_set_default_irqs()
266 host->tuning_mode == SDHCI_TUNING_MODE_3) in sdhci_set_default_irqs()
267 host->ier |= SDHCI_INT_RETUNE; in sdhci_set_default_irqs()
269 sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); in sdhci_set_default_irqs()
270 sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); in sdhci_set_default_irqs()
273 static void sdhci_config_dma(struct sdhci_host *host) in sdhci_config_dma() argument
278 if (host->version < SDHCI_SPEC_200) in sdhci_config_dma()
281 ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); in sdhci_config_dma()
289 if (!(host->flags & SDHCI_REQ_USE_DMA)) in sdhci_config_dma()
293 if (host->flags & SDHCI_USE_ADMA) in sdhci_config_dma()
296 if (host->flags & SDHCI_USE_64_BIT_DMA) { in sdhci_config_dma()
302 if (host->v4_mode) { in sdhci_config_dma()
303 ctrl2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); in sdhci_config_dma()
305 sdhci_writew(host, ctrl2, SDHCI_HOST_CONTROL2); in sdhci_config_dma()
306 } else if (host->flags & SDHCI_USE_ADMA) { in sdhci_config_dma()
316 sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); in sdhci_config_dma()
319 static void sdhci_init(struct sdhci_host *host, int soft) in sdhci_init() argument
321 struct mmc_host *mmc = host->mmc; in sdhci_init()
325 sdhci_do_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA); in sdhci_init()
327 sdhci_do_reset(host, SDHCI_RESET_ALL); in sdhci_init()
329 if (host->v4_mode) in sdhci_init()
330 sdhci_do_enable_v4_mode(host); in sdhci_init()
332 spin_lock_irqsave(&host->lock, flags); in sdhci_init()
333 sdhci_set_default_irqs(host); in sdhci_init()
334 spin_unlock_irqrestore(&host->lock, flags); in sdhci_init()
336 host->cqe_on = false; in sdhci_init()
340 host->clock = 0; in sdhci_init()
345 static void sdhci_reinit(struct sdhci_host *host) in sdhci_reinit() argument
347 u32 cd = host->ier & (SDHCI_INT_CARD_REMOVE | SDHCI_INT_CARD_INSERT); in sdhci_reinit()
349 sdhci_init(host, 0); in sdhci_reinit()
350 sdhci_enable_card_detection(host); in sdhci_reinit()
358 if (cd != (host->ier & (SDHCI_INT_CARD_REMOVE | SDHCI_INT_CARD_INSERT))) in sdhci_reinit()
359 mmc_detect_change(host->mmc, msecs_to_jiffies(200)); in sdhci_reinit()
362 static void __sdhci_led_activate(struct sdhci_host *host) in __sdhci_led_activate() argument
366 if (host->quirks & SDHCI_QUIRK_NO_LED) in __sdhci_led_activate()
369 ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); in __sdhci_led_activate()
371 sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); in __sdhci_led_activate()
374 static void __sdhci_led_deactivate(struct sdhci_host *host) in __sdhci_led_deactivate() argument
378 if (host->quirks & SDHCI_QUIRK_NO_LED) in __sdhci_led_deactivate()
381 ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); in __sdhci_led_deactivate()
383 sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); in __sdhci_led_deactivate()
390 struct sdhci_host *host = container_of(led, struct sdhci_host, led); in sdhci_led_control() local
393 spin_lock_irqsave(&host->lock, flags); in sdhci_led_control()
395 if (host->runtime_suspended) in sdhci_led_control()
399 __sdhci_led_deactivate(host); in sdhci_led_control()
401 __sdhci_led_activate(host); in sdhci_led_control()
403 spin_unlock_irqrestore(&host->lock, flags); in sdhci_led_control()
406 static int sdhci_led_register(struct sdhci_host *host) in sdhci_led_register() argument
408 struct mmc_host *mmc = host->mmc; in sdhci_led_register()
410 if (host->quirks & SDHCI_QUIRK_NO_LED) in sdhci_led_register()
413 snprintf(host->led_name, sizeof(host->led_name), in sdhci_led_register()
416 host->led.name = host->led_name; in sdhci_led_register()
417 host->led.brightness = LED_OFF; in sdhci_led_register()
418 host->led.default_trigger = mmc_hostname(mmc); in sdhci_led_register()
419 host->led.brightness_set = sdhci_led_control; in sdhci_led_register()
421 return led_classdev_register(mmc_dev(mmc), &host->led); in sdhci_led_register()
424 static void sdhci_led_unregister(struct sdhci_host *host) in sdhci_led_unregister() argument
426 if (host->quirks & SDHCI_QUIRK_NO_LED) in sdhci_led_unregister()
429 led_classdev_unregister(&host->led); in sdhci_led_unregister()
432 static inline void sdhci_led_activate(struct sdhci_host *host) in sdhci_led_activate() argument
436 static inline void sdhci_led_deactivate(struct sdhci_host *host) in sdhci_led_deactivate() argument
442 static inline int sdhci_led_register(struct sdhci_host *host) in sdhci_led_register() argument
447 static inline void sdhci_led_unregister(struct sdhci_host *host) in sdhci_led_unregister() argument
451 static inline void sdhci_led_activate(struct sdhci_host *host) in sdhci_led_activate() argument
453 __sdhci_led_activate(host); in sdhci_led_activate()
456 static inline void sdhci_led_deactivate(struct sdhci_host *host) in sdhci_led_deactivate() argument
458 __sdhci_led_deactivate(host); in sdhci_led_deactivate()
463 static void sdhci_mod_timer(struct sdhci_host *host, struct mmc_request *mrq, in sdhci_mod_timer() argument
467 mod_timer(&host->data_timer, timeout); in sdhci_mod_timer()
469 mod_timer(&host->timer, timeout); in sdhci_mod_timer()
472 static void sdhci_del_timer(struct sdhci_host *host, struct mmc_request *mrq) in sdhci_del_timer() argument
475 del_timer(&host->data_timer); in sdhci_del_timer()
477 del_timer(&host->timer); in sdhci_del_timer()
480 static inline bool sdhci_has_requests(struct sdhci_host *host) in sdhci_has_requests() argument
482 return host->cmd || host->data_cmd; in sdhci_has_requests()
491 static void sdhci_read_block_pio(struct sdhci_host *host) in sdhci_read_block_pio() argument
500 blksize = host->data->blksz; in sdhci_read_block_pio()
506 BUG_ON(!sg_miter_next(&host->sg_miter)); in sdhci_read_block_pio()
508 len = min(host->sg_miter.length, blksize); in sdhci_read_block_pio()
511 host->sg_miter.consumed = len; in sdhci_read_block_pio()
513 buf = host->sg_miter.addr; in sdhci_read_block_pio()
517 scratch = sdhci_readl(host, SDHCI_BUFFER); in sdhci_read_block_pio()
530 sg_miter_stop(&host->sg_miter); in sdhci_read_block_pio()
535 static void sdhci_write_block_pio(struct sdhci_host *host) in sdhci_write_block_pio() argument
544 blksize = host->data->blksz; in sdhci_write_block_pio()
551 BUG_ON(!sg_miter_next(&host->sg_miter)); in sdhci_write_block_pio()
553 len = min(host->sg_miter.length, blksize); in sdhci_write_block_pio()
556 host->sg_miter.consumed = len; in sdhci_write_block_pio()
558 buf = host->sg_miter.addr; in sdhci_write_block_pio()
568 sdhci_writel(host, scratch, SDHCI_BUFFER); in sdhci_write_block_pio()
575 sg_miter_stop(&host->sg_miter); in sdhci_write_block_pio()
580 static void sdhci_transfer_pio(struct sdhci_host *host) in sdhci_transfer_pio() argument
584 if (host->blocks == 0) in sdhci_transfer_pio()
587 if (host->data->flags & MMC_DATA_READ) in sdhci_transfer_pio()
597 if ((host->quirks & SDHCI_QUIRK_BROKEN_SMALL_PIO) && in sdhci_transfer_pio()
598 (host->data->blocks == 1)) in sdhci_transfer_pio()
601 while (sdhci_readl(host, SDHCI_PRESENT_STATE) & mask) { in sdhci_transfer_pio()
602 if (host->quirks & SDHCI_QUIRK_PIO_NEEDS_DELAY) in sdhci_transfer_pio()
605 if (host->data->flags & MMC_DATA_READ) in sdhci_transfer_pio()
606 sdhci_read_block_pio(host); in sdhci_transfer_pio()
608 sdhci_write_block_pio(host); in sdhci_transfer_pio()
610 host->blocks--; in sdhci_transfer_pio()
611 if (host->blocks == 0) in sdhci_transfer_pio()
618 static int sdhci_pre_dma_transfer(struct sdhci_host *host, in sdhci_pre_dma_transfer() argument
631 if (host->bounce_buffer) { in sdhci_pre_dma_transfer()
634 if (length > host->bounce_buffer_size) { in sdhci_pre_dma_transfer()
636 mmc_hostname(host->mmc), length, in sdhci_pre_dma_transfer()
637 host->bounce_buffer_size); in sdhci_pre_dma_transfer()
642 if (host->ops->copy_to_bounce_buffer) { in sdhci_pre_dma_transfer()
643 host->ops->copy_to_bounce_buffer(host, in sdhci_pre_dma_transfer()
647 host->bounce_buffer, length); in sdhci_pre_dma_transfer()
651 dma_sync_single_for_device(mmc_dev(host->mmc), in sdhci_pre_dma_transfer()
652 host->bounce_addr, in sdhci_pre_dma_transfer()
653 host->bounce_buffer_size, in sdhci_pre_dma_transfer()
659 sg_count = dma_map_sg(mmc_dev(host->mmc), in sdhci_pre_dma_transfer()
685 void sdhci_adma_write_desc(struct sdhci_host *host, void **desc, in sdhci_adma_write_desc() argument
695 if (host->flags & SDHCI_USE_64_BIT_DMA) in sdhci_adma_write_desc()
698 *desc += host->desc_sz; in sdhci_adma_write_desc()
702 static inline void __sdhci_adma_write_desc(struct sdhci_host *host, in __sdhci_adma_write_desc() argument
706 if (host->ops->adma_write_desc) in __sdhci_adma_write_desc()
707 host->ops->adma_write_desc(host, desc, addr, len, cmd); in __sdhci_adma_write_desc()
709 sdhci_adma_write_desc(host, desc, addr, len, cmd); in __sdhci_adma_write_desc()
720 static void sdhci_adma_table_pre(struct sdhci_host *host, in sdhci_adma_table_pre() argument
735 host->sg_count = sg_count; in sdhci_adma_table_pre()
737 desc = host->adma_table; in sdhci_adma_table_pre()
738 align = host->align_buffer; in sdhci_adma_table_pre()
740 align_addr = host->align_addr; in sdhci_adma_table_pre()
742 for_each_sg(data->sg, sg, host->sg_count, i) { in sdhci_adma_table_pre()
762 __sdhci_adma_write_desc(host, &desc, align_addr, in sdhci_adma_table_pre()
780 while (len > host->max_adma) { in sdhci_adma_table_pre()
783 __sdhci_adma_write_desc(host, &desc, addr, n, ADMA2_TRAN_VALID); in sdhci_adma_table_pre()
790 __sdhci_adma_write_desc(host, &desc, addr, len, in sdhci_adma_table_pre()
797 WARN_ON((desc - host->adma_table) >= host->adma_table_sz); in sdhci_adma_table_pre()
800 if (host->quirks & SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC) { in sdhci_adma_table_pre()
802 if (desc != host->adma_table) { in sdhci_adma_table_pre()
803 desc -= host->desc_sz; in sdhci_adma_table_pre()
808 __sdhci_adma_write_desc(host, &desc, 0, 0, ADMA2_NOP_END_VALID); in sdhci_adma_table_pre()
812 static void sdhci_adma_table_post(struct sdhci_host *host, in sdhci_adma_table_post() argument
825 for_each_sg(data->sg, sg, host->sg_count, i) in sdhci_adma_table_post()
832 dma_sync_sg_for_cpu(mmc_dev(host->mmc), data->sg, in sdhci_adma_table_post()
835 align = host->align_buffer; in sdhci_adma_table_post()
837 for_each_sg(data->sg, sg, host->sg_count, i) { in sdhci_adma_table_post()
853 static void sdhci_set_adma_addr(struct sdhci_host *host, dma_addr_t addr) in sdhci_set_adma_addr() argument
855 sdhci_writel(host, lower_32_bits(addr), SDHCI_ADMA_ADDRESS); in sdhci_set_adma_addr()
856 if (host->flags & SDHCI_USE_64_BIT_DMA) in sdhci_set_adma_addr()
857 sdhci_writel(host, upper_32_bits(addr), SDHCI_ADMA_ADDRESS_HI); in sdhci_set_adma_addr()
860 static dma_addr_t sdhci_sdma_address(struct sdhci_host *host) in sdhci_sdma_address() argument
862 if (host->bounce_buffer) in sdhci_sdma_address()
863 return host->bounce_addr; in sdhci_sdma_address()
865 return sg_dma_address(host->data->sg); in sdhci_sdma_address()
868 static void sdhci_set_sdma_addr(struct sdhci_host *host, dma_addr_t addr) in sdhci_set_sdma_addr() argument
870 if (host->v4_mode) in sdhci_set_sdma_addr()
871 sdhci_set_adma_addr(host, addr); in sdhci_set_sdma_addr()
873 sdhci_writel(host, addr, SDHCI_DMA_ADDRESS); in sdhci_set_sdma_addr()
876 static unsigned int sdhci_target_timeout(struct sdhci_host *host, in sdhci_target_timeout() argument
887 if (host->clock && data->timeout_clks) { in sdhci_target_timeout()
896 if (do_div(val, host->clock)) in sdhci_target_timeout()
905 static void sdhci_calc_sw_timeout(struct sdhci_host *host, in sdhci_calc_sw_timeout() argument
909 struct mmc_host *mmc = host->mmc; in sdhci_calc_sw_timeout()
917 target_timeout = sdhci_target_timeout(host, cmd, data); in sdhci_calc_sw_timeout()
922 freq = mmc->actual_clock ? : host->clock; in sdhci_calc_sw_timeout()
928 host->data_timeout = data->blocks * target_timeout + in sdhci_calc_sw_timeout()
931 host->data_timeout = target_timeout; in sdhci_calc_sw_timeout()
934 if (host->data_timeout) in sdhci_calc_sw_timeout()
935 host->data_timeout += MMC_CMD_TRANSFER_TIME; in sdhci_calc_sw_timeout()
938 static u8 sdhci_calc_timeout(struct sdhci_host *host, struct mmc_command *cmd, in sdhci_calc_timeout() argument
953 if (host->quirks & SDHCI_QUIRK_BROKEN_TIMEOUT_VAL) in sdhci_calc_timeout()
954 return host->max_timeout_count; in sdhci_calc_timeout()
958 return host->max_timeout_count; in sdhci_calc_timeout()
963 return host->max_timeout_count; in sdhci_calc_timeout()
966 target_timeout = sdhci_target_timeout(host, cmd, data); in sdhci_calc_timeout()
979 current_timeout = (1 << 13) * 1000 / host->timeout_clk; in sdhci_calc_timeout()
983 if (count > host->max_timeout_count) { in sdhci_calc_timeout()
984 if (!(host->quirks2 & SDHCI_QUIRK2_DISABLE_HW_TIMEOUT)) in sdhci_calc_timeout()
987 count = host->max_timeout_count; in sdhci_calc_timeout()
996 static void sdhci_set_transfer_irqs(struct sdhci_host *host) in sdhci_set_transfer_irqs() argument
1001 if (host->flags & SDHCI_REQ_USE_DMA) in sdhci_set_transfer_irqs()
1002 host->ier = (host->ier & ~pio_irqs) | dma_irqs; in sdhci_set_transfer_irqs()
1004 host->ier = (host->ier & ~dma_irqs) | pio_irqs; in sdhci_set_transfer_irqs()
1006 if (host->flags & (SDHCI_AUTO_CMD23 | SDHCI_AUTO_CMD12)) in sdhci_set_transfer_irqs()
1007 host->ier |= SDHCI_INT_AUTO_CMD_ERR; in sdhci_set_transfer_irqs()
1009 host->ier &= ~SDHCI_INT_AUTO_CMD_ERR; in sdhci_set_transfer_irqs()
1011 sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); in sdhci_set_transfer_irqs()
1012 sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); in sdhci_set_transfer_irqs()
1015 void sdhci_set_data_timeout_irq(struct sdhci_host *host, bool enable) in sdhci_set_data_timeout_irq() argument
1018 host->ier |= SDHCI_INT_DATA_TIMEOUT; in sdhci_set_data_timeout_irq()
1020 host->ier &= ~SDHCI_INT_DATA_TIMEOUT; in sdhci_set_data_timeout_irq()
1021 sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); in sdhci_set_data_timeout_irq()
1022 sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); in sdhci_set_data_timeout_irq()
1026 void __sdhci_set_timeout(struct sdhci_host *host, struct mmc_command *cmd) in __sdhci_set_timeout() argument
1029 u8 count = sdhci_calc_timeout(host, cmd, &too_big); in __sdhci_set_timeout()
1032 host->quirks2 & SDHCI_QUIRK2_DISABLE_HW_TIMEOUT) { in __sdhci_set_timeout()
1033 sdhci_calc_sw_timeout(host, cmd); in __sdhci_set_timeout()
1034 sdhci_set_data_timeout_irq(host, false); in __sdhci_set_timeout()
1035 } else if (!(host->ier & SDHCI_INT_DATA_TIMEOUT)) { in __sdhci_set_timeout()
1036 sdhci_set_data_timeout_irq(host, true); in __sdhci_set_timeout()
1039 sdhci_writeb(host, count, SDHCI_TIMEOUT_CONTROL); in __sdhci_set_timeout()
1043 static void sdhci_set_timeout(struct sdhci_host *host, struct mmc_command *cmd) in sdhci_set_timeout() argument
1045 if (host->ops->set_timeout) in sdhci_set_timeout()
1046 host->ops->set_timeout(host, cmd); in sdhci_set_timeout()
1048 __sdhci_set_timeout(host, cmd); in sdhci_set_timeout()
1051 static void sdhci_initialize_data(struct sdhci_host *host, in sdhci_initialize_data() argument
1054 WARN_ON(host->data); in sdhci_initialize_data()
1058 BUG_ON(data->blksz > host->mmc->max_blk_size); in sdhci_initialize_data()
1061 host->data = data; in sdhci_initialize_data()
1062 host->data_early = 0; in sdhci_initialize_data()
1063 host->data->bytes_xfered = 0; in sdhci_initialize_data()
1066 static inline void sdhci_set_block_info(struct sdhci_host *host, in sdhci_set_block_info() argument
1070 sdhci_writew(host, in sdhci_set_block_info()
1071 SDHCI_MAKE_BLKSZ(host->sdma_boundary, data->blksz), in sdhci_set_block_info()
1077 if (host->version >= SDHCI_SPEC_410 && host->v4_mode && in sdhci_set_block_info()
1078 (host->quirks2 & SDHCI_QUIRK2_USE_32BIT_BLK_CNT)) { in sdhci_set_block_info()
1079 if (sdhci_readw(host, SDHCI_BLOCK_COUNT)) in sdhci_set_block_info()
1080 sdhci_writew(host, 0, SDHCI_BLOCK_COUNT); in sdhci_set_block_info()
1081 sdhci_writew(host, data->blocks, SDHCI_32BIT_BLK_CNT); in sdhci_set_block_info()
1083 sdhci_writew(host, data->blocks, SDHCI_BLOCK_COUNT); in sdhci_set_block_info()
1087 static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_command *cmd) in sdhci_prepare_data() argument
1091 sdhci_initialize_data(host, data); in sdhci_prepare_data()
1093 if (host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) { in sdhci_prepare_data()
1098 host->flags |= SDHCI_REQ_USE_DMA; in sdhci_prepare_data()
1109 if (host->flags & SDHCI_USE_ADMA) { in sdhci_prepare_data()
1110 if (host->quirks & SDHCI_QUIRK_32BIT_ADMA_SIZE) { in sdhci_prepare_data()
1120 if (host->quirks & SDHCI_QUIRK_32BIT_DMA_SIZE) in sdhci_prepare_data()
1122 if (host->quirks & SDHCI_QUIRK_32BIT_DMA_ADDR) in sdhci_prepare_data()
1131 host->flags &= ~SDHCI_REQ_USE_DMA; in sdhci_prepare_data()
1136 host->flags &= ~SDHCI_REQ_USE_DMA; in sdhci_prepare_data()
1143 if (host->flags & SDHCI_REQ_USE_DMA) { in sdhci_prepare_data()
1144 int sg_cnt = sdhci_pre_dma_transfer(host, data, COOKIE_MAPPED); in sdhci_prepare_data()
1152 host->flags &= ~SDHCI_REQ_USE_DMA; in sdhci_prepare_data()
1153 } else if (host->flags & SDHCI_USE_ADMA) { in sdhci_prepare_data()
1154 sdhci_adma_table_pre(host, data, sg_cnt); in sdhci_prepare_data()
1155 sdhci_set_adma_addr(host, host->adma_addr); in sdhci_prepare_data()
1158 sdhci_set_sdma_addr(host, sdhci_sdma_address(host)); in sdhci_prepare_data()
1162 sdhci_config_dma(host); in sdhci_prepare_data()
1164 if (!(host->flags & SDHCI_REQ_USE_DMA)) { in sdhci_prepare_data()
1168 if (host->data->flags & MMC_DATA_READ) in sdhci_prepare_data()
1172 sg_miter_start(&host->sg_miter, data->sg, data->sg_len, flags); in sdhci_prepare_data()
1173 host->blocks = data->blocks; in sdhci_prepare_data()
1176 sdhci_set_transfer_irqs(host); in sdhci_prepare_data()
1178 sdhci_set_block_info(host, data); in sdhci_prepare_data()
1183 static int sdhci_external_dma_init(struct sdhci_host *host) in sdhci_external_dma_init() argument
1186 struct mmc_host *mmc = host->mmc; in sdhci_external_dma_init()
1188 host->tx_chan = dma_request_chan(mmc_dev(mmc), "tx"); in sdhci_external_dma_init()
1189 if (IS_ERR(host->tx_chan)) { in sdhci_external_dma_init()
1190 ret = PTR_ERR(host->tx_chan); in sdhci_external_dma_init()
1193 host->tx_chan = NULL; in sdhci_external_dma_init()
1197 host->rx_chan = dma_request_chan(mmc_dev(mmc), "rx"); in sdhci_external_dma_init()
1198 if (IS_ERR(host->rx_chan)) { in sdhci_external_dma_init()
1199 if (host->tx_chan) { in sdhci_external_dma_init()
1200 dma_release_channel(host->tx_chan); in sdhci_external_dma_init()
1201 host->tx_chan = NULL; in sdhci_external_dma_init()
1204 ret = PTR_ERR(host->rx_chan); in sdhci_external_dma_init()
1207 host->rx_chan = NULL; in sdhci_external_dma_init()
1213 static struct dma_chan *sdhci_external_dma_channel(struct sdhci_host *host, in sdhci_external_dma_channel() argument
1216 return data->flags & MMC_DATA_WRITE ? host->tx_chan : host->rx_chan; in sdhci_external_dma_channel()
1219 static int sdhci_external_dma_setup(struct sdhci_host *host, in sdhci_external_dma_setup() argument
1231 if (!host->mapbase) in sdhci_external_dma_setup()
1235 cfg.src_addr = host->mapbase + SDHCI_BUFFER; in sdhci_external_dma_setup()
1236 cfg.dst_addr = host->mapbase + SDHCI_BUFFER; in sdhci_external_dma_setup()
1248 chan = sdhci_external_dma_channel(host, data); in sdhci_external_dma_setup()
1254 sg_cnt = sdhci_pre_dma_transfer(host, data, COOKIE_MAPPED); in sdhci_external_dma_setup()
1274 static void sdhci_external_dma_release(struct sdhci_host *host) in sdhci_external_dma_release() argument
1276 if (host->tx_chan) { in sdhci_external_dma_release()
1277 dma_release_channel(host->tx_chan); in sdhci_external_dma_release()
1278 host->tx_chan = NULL; in sdhci_external_dma_release()
1281 if (host->rx_chan) { in sdhci_external_dma_release()
1282 dma_release_channel(host->rx_chan); in sdhci_external_dma_release()
1283 host->rx_chan = NULL; in sdhci_external_dma_release()
1286 sdhci_switch_external_dma(host, false); in sdhci_external_dma_release()
1289 static void __sdhci_external_dma_prepare_data(struct sdhci_host *host, in __sdhci_external_dma_prepare_data() argument
1294 sdhci_initialize_data(host, data); in __sdhci_external_dma_prepare_data()
1296 host->flags |= SDHCI_REQ_USE_DMA; in __sdhci_external_dma_prepare_data()
1297 sdhci_set_transfer_irqs(host); in __sdhci_external_dma_prepare_data()
1299 sdhci_set_block_info(host, data); in __sdhci_external_dma_prepare_data()
1302 static void sdhci_external_dma_prepare_data(struct sdhci_host *host, in sdhci_external_dma_prepare_data() argument
1305 if (!sdhci_external_dma_setup(host, cmd)) { in sdhci_external_dma_prepare_data()
1306 __sdhci_external_dma_prepare_data(host, cmd); in sdhci_external_dma_prepare_data()
1308 sdhci_external_dma_release(host); in sdhci_external_dma_prepare_data()
1310 mmc_hostname(host->mmc)); in sdhci_external_dma_prepare_data()
1311 sdhci_prepare_data(host, cmd); in sdhci_external_dma_prepare_data()
1315 static void sdhci_external_dma_pre_transfer(struct sdhci_host *host, in sdhci_external_dma_pre_transfer() argument
1323 chan = sdhci_external_dma_channel(host, cmd->data); in sdhci_external_dma_pre_transfer()
1330 static inline int sdhci_external_dma_init(struct sdhci_host *host) in sdhci_external_dma_init() argument
1335 static inline void sdhci_external_dma_release(struct sdhci_host *host) in sdhci_external_dma_release() argument
1339 static inline void sdhci_external_dma_prepare_data(struct sdhci_host *host, in sdhci_external_dma_prepare_data() argument
1346 static inline void sdhci_external_dma_pre_transfer(struct sdhci_host *host, in sdhci_external_dma_pre_transfer() argument
1351 static inline struct dma_chan *sdhci_external_dma_channel(struct sdhci_host *host, in sdhci_external_dma_channel() argument
1359 void sdhci_switch_external_dma(struct sdhci_host *host, bool en) in sdhci_switch_external_dma() argument
1361 host->use_external_dma = en; in sdhci_switch_external_dma()
1365 static inline bool sdhci_auto_cmd12(struct sdhci_host *host, in sdhci_auto_cmd12() argument
1368 return !mrq->sbc && (host->flags & SDHCI_AUTO_CMD12) && in sdhci_auto_cmd12()
1372 static inline bool sdhci_auto_cmd23(struct sdhci_host *host, in sdhci_auto_cmd23() argument
1375 return mrq->sbc && (host->flags & SDHCI_AUTO_CMD23); in sdhci_auto_cmd23()
1378 static inline bool sdhci_manual_cmd23(struct sdhci_host *host, in sdhci_manual_cmd23() argument
1381 return mrq->sbc && !(host->flags & SDHCI_AUTO_CMD23); in sdhci_manual_cmd23()
1384 static inline void sdhci_auto_cmd_select(struct sdhci_host *host, in sdhci_auto_cmd_select() argument
1388 bool use_cmd12 = sdhci_auto_cmd12(host, cmd->mrq) && in sdhci_auto_cmd_select()
1390 bool use_cmd23 = sdhci_auto_cmd23(host, cmd->mrq); in sdhci_auto_cmd_select()
1399 if (host->version >= SDHCI_SPEC_410 && host->v4_mode && in sdhci_auto_cmd_select()
1403 ctrl2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); in sdhci_auto_cmd_select()
1408 sdhci_writew(host, ctrl2, SDHCI_HOST_CONTROL2); in sdhci_auto_cmd_select()
1423 static void sdhci_set_transfer_mode(struct sdhci_host *host, in sdhci_set_transfer_mode() argument
1430 if (host->quirks2 & in sdhci_set_transfer_mode()
1434 sdhci_writew(host, 0x0, SDHCI_TRANSFER_MODE); in sdhci_set_transfer_mode()
1437 mode = sdhci_readw(host, SDHCI_TRANSFER_MODE); in sdhci_set_transfer_mode()
1438 sdhci_writew(host, mode & ~(SDHCI_TRNS_AUTO_CMD12 | in sdhci_set_transfer_mode()
1444 WARN_ON(!host->data); in sdhci_set_transfer_mode()
1446 if (!(host->quirks2 & SDHCI_QUIRK2_SUPPORT_SINGLE)) in sdhci_set_transfer_mode()
1451 sdhci_auto_cmd_select(host, cmd, &mode); in sdhci_set_transfer_mode()
1452 if (sdhci_auto_cmd23(host, cmd->mrq)) in sdhci_set_transfer_mode()
1453 sdhci_writel(host, cmd->mrq->sbc->arg, SDHCI_ARGUMENT2); in sdhci_set_transfer_mode()
1458 if (host->flags & SDHCI_REQ_USE_DMA) in sdhci_set_transfer_mode()
1461 sdhci_writew(host, mode, SDHCI_TRANSFER_MODE); in sdhci_set_transfer_mode()
1464 static bool sdhci_needs_reset(struct sdhci_host *host, struct mmc_request *mrq) in sdhci_needs_reset() argument
1466 return (!(host->flags & SDHCI_DEVICE_DEAD) && in sdhci_needs_reset()
1470 (host->quirks & SDHCI_QUIRK_RESET_AFTER_REQUEST))); in sdhci_needs_reset()
1473 static void sdhci_set_mrq_done(struct sdhci_host *host, struct mmc_request *mrq) in sdhci_set_mrq_done() argument
1478 if (host->mrqs_done[i] == mrq) { in sdhci_set_mrq_done()
1485 if (!host->mrqs_done[i]) { in sdhci_set_mrq_done()
1486 host->mrqs_done[i] = mrq; in sdhci_set_mrq_done()
1494 static void __sdhci_finish_mrq(struct sdhci_host *host, struct mmc_request *mrq) in __sdhci_finish_mrq() argument
1496 if (host->cmd && host->cmd->mrq == mrq) in __sdhci_finish_mrq()
1497 host->cmd = NULL; in __sdhci_finish_mrq()
1499 if (host->data_cmd && host->data_cmd->mrq == mrq) in __sdhci_finish_mrq()
1500 host->data_cmd = NULL; in __sdhci_finish_mrq()
1502 if (host->deferred_cmd && host->deferred_cmd->mrq == mrq) in __sdhci_finish_mrq()
1503 host->deferred_cmd = NULL; in __sdhci_finish_mrq()
1505 if (host->data && host->data->mrq == mrq) in __sdhci_finish_mrq()
1506 host->data = NULL; in __sdhci_finish_mrq()
1508 if (sdhci_needs_reset(host, mrq)) in __sdhci_finish_mrq()
1509 host->pending_reset = true; in __sdhci_finish_mrq()
1511 sdhci_set_mrq_done(host, mrq); in __sdhci_finish_mrq()
1513 sdhci_del_timer(host, mrq); in __sdhci_finish_mrq()
1515 if (!sdhci_has_requests(host)) in __sdhci_finish_mrq()
1516 sdhci_led_deactivate(host); in __sdhci_finish_mrq()
1519 static void sdhci_finish_mrq(struct sdhci_host *host, struct mmc_request *mrq) in sdhci_finish_mrq() argument
1521 __sdhci_finish_mrq(host, mrq); in sdhci_finish_mrq()
1523 queue_work(host->complete_wq, &host->complete_work); in sdhci_finish_mrq()
1526 static void __sdhci_finish_data(struct sdhci_host *host, bool sw_data_timeout) in __sdhci_finish_data() argument
1528 struct mmc_command *data_cmd = host->data_cmd; in __sdhci_finish_data()
1529 struct mmc_data *data = host->data; in __sdhci_finish_data()
1531 host->data = NULL; in __sdhci_finish_data()
1532 host->data_cmd = NULL; in __sdhci_finish_data()
1539 if (!host->cmd || host->cmd == data_cmd) in __sdhci_finish_data()
1540 sdhci_do_reset(host, SDHCI_RESET_CMD); in __sdhci_finish_data()
1541 sdhci_do_reset(host, SDHCI_RESET_DATA); in __sdhci_finish_data()
1544 if ((host->flags & (SDHCI_REQ_USE_DMA | SDHCI_USE_ADMA)) == in __sdhci_finish_data()
1546 sdhci_adma_table_post(host, data); in __sdhci_finish_data()
1566 ((!data->mrq->sbc && !sdhci_auto_cmd12(host, data->mrq)) || in __sdhci_finish_data()
1574 __sdhci_finish_mrq(host, data->mrq); in __sdhci_finish_data()
1577 host->cmd = NULL; in __sdhci_finish_data()
1578 if (!sdhci_send_command(host, data->stop)) { in __sdhci_finish_data()
1585 __sdhci_finish_mrq(host, data->mrq); in __sdhci_finish_data()
1587 WARN_ON(host->deferred_cmd); in __sdhci_finish_data()
1588 host->deferred_cmd = data->stop; in __sdhci_finish_data()
1593 __sdhci_finish_mrq(host, data->mrq); in __sdhci_finish_data()
1597 static void sdhci_finish_data(struct sdhci_host *host) in sdhci_finish_data() argument
1599 __sdhci_finish_data(host, false); in sdhci_finish_data()
1602 static bool sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd) in sdhci_send_command() argument
1608 WARN_ON(host->cmd); in sdhci_send_command()
1613 if ((host->quirks2 & SDHCI_QUIRK2_STOP_WITH_TC) && in sdhci_send_command()
1626 if (sdhci_readl(host, SDHCI_PRESENT_STATE) & mask) in sdhci_send_command()
1629 host->cmd = cmd; in sdhci_send_command()
1630 host->data_timeout = 0; in sdhci_send_command()
1632 WARN_ON(host->data_cmd); in sdhci_send_command()
1633 host->data_cmd = cmd; in sdhci_send_command()
1634 sdhci_set_timeout(host, cmd); in sdhci_send_command()
1638 if (host->use_external_dma) in sdhci_send_command()
1639 sdhci_external_dma_prepare_data(host, cmd); in sdhci_send_command()
1641 sdhci_prepare_data(host, cmd); in sdhci_send_command()
1644 sdhci_writel(host, cmd->arg, SDHCI_ARGUMENT); in sdhci_send_command()
1646 sdhci_set_transfer_mode(host, cmd); in sdhci_send_command()
1678 if (host->data_timeout) in sdhci_send_command()
1679 timeout += nsecs_to_jiffies(host->data_timeout); in sdhci_send_command()
1684 sdhci_mod_timer(host, cmd->mrq, timeout); in sdhci_send_command()
1686 if (host->use_external_dma) in sdhci_send_command()
1687 sdhci_external_dma_pre_transfer(host, cmd); in sdhci_send_command()
1689 sdhci_writew(host, SDHCI_MAKE_CMD(cmd->opcode, flags), SDHCI_COMMAND); in sdhci_send_command()
1694 static bool sdhci_present_error(struct sdhci_host *host, in sdhci_present_error() argument
1697 if (!present || host->flags & SDHCI_DEVICE_DEAD) { in sdhci_present_error()
1705 static bool sdhci_send_command_retry(struct sdhci_host *host, in sdhci_send_command_retry() argument
1708 __releases(host->lock) in sdhci_send_command_retry()
1709 __acquires(host->lock) in sdhci_send_command_retry()
1711 struct mmc_command *deferred_cmd = host->deferred_cmd; in sdhci_send_command_retry()
1715 while (!sdhci_send_command(host, cmd)) { in sdhci_send_command_retry()
1718 mmc_hostname(host->mmc)); in sdhci_send_command_retry()
1719 sdhci_dumpregs(host); in sdhci_send_command_retry()
1724 spin_unlock_irqrestore(&host->lock, flags); in sdhci_send_command_retry()
1728 present = host->mmc->ops->get_cd(host->mmc); in sdhci_send_command_retry()
1730 spin_lock_irqsave(&host->lock, flags); in sdhci_send_command_retry()
1733 if (cmd == deferred_cmd && cmd != host->deferred_cmd) in sdhci_send_command_retry()
1736 if (sdhci_present_error(host, cmd, present)) in sdhci_send_command_retry()
1740 if (cmd == host->deferred_cmd) in sdhci_send_command_retry()
1741 host->deferred_cmd = NULL; in sdhci_send_command_retry()
1746 static void sdhci_read_rsp_136(struct sdhci_host *host, struct mmc_command *cmd) in sdhci_read_rsp_136() argument
1752 cmd->resp[i] = sdhci_readl(host, reg); in sdhci_read_rsp_136()
1755 if (host->quirks2 & SDHCI_QUIRK2_RSP_136_HAS_CRC) in sdhci_read_rsp_136()
1766 static void sdhci_finish_command(struct sdhci_host *host) in sdhci_finish_command() argument
1768 struct mmc_command *cmd = host->cmd; in sdhci_finish_command()
1770 host->cmd = NULL; in sdhci_finish_command()
1774 sdhci_read_rsp_136(host, cmd); in sdhci_finish_command()
1776 cmd->resp[0] = sdhci_readl(host, SDHCI_RESPONSE); in sdhci_finish_command()
1781 mmc_command_done(host->mmc, cmd->mrq); in sdhci_finish_command()
1796 } else if (!(host->quirks & SDHCI_QUIRK_NO_BUSY_IRQ) && in sdhci_finish_command()
1797 cmd == host->data_cmd) { in sdhci_finish_command()
1805 if (!sdhci_send_command(host, cmd->mrq->cmd)) { in sdhci_finish_command()
1806 WARN_ON(host->deferred_cmd); in sdhci_finish_command()
1807 host->deferred_cmd = cmd->mrq->cmd; in sdhci_finish_command()
1812 if (host->data && host->data_early) in sdhci_finish_command()
1813 sdhci_finish_data(host); in sdhci_finish_command()
1816 __sdhci_finish_mrq(host, cmd->mrq); in sdhci_finish_command()
1820 static u16 sdhci_get_preset_value(struct sdhci_host *host) in sdhci_get_preset_value() argument
1824 switch (host->timing) { in sdhci_get_preset_value()
1827 preset = sdhci_readw(host, SDHCI_PRESET_FOR_HIGH_SPEED); in sdhci_get_preset_value()
1830 preset = sdhci_readw(host, SDHCI_PRESET_FOR_SDR12); in sdhci_get_preset_value()
1833 preset = sdhci_readw(host, SDHCI_PRESET_FOR_SDR25); in sdhci_get_preset_value()
1836 preset = sdhci_readw(host, SDHCI_PRESET_FOR_SDR50); in sdhci_get_preset_value()
1840 preset = sdhci_readw(host, SDHCI_PRESET_FOR_SDR104); in sdhci_get_preset_value()
1844 preset = sdhci_readw(host, SDHCI_PRESET_FOR_DDR50); in sdhci_get_preset_value()
1847 preset = sdhci_readw(host, SDHCI_PRESET_FOR_HS400); in sdhci_get_preset_value()
1851 mmc_hostname(host->mmc)); in sdhci_get_preset_value()
1852 preset = sdhci_readw(host, SDHCI_PRESET_FOR_SDR12); in sdhci_get_preset_value()
1858 u16 sdhci_calc_clk(struct sdhci_host *host, unsigned int clock, in sdhci_calc_clk() argument
1866 if (host->version >= SDHCI_SPEC_300) { in sdhci_calc_clk()
1867 if (host->preset_enabled) { in sdhci_calc_clk()
1870 clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL); in sdhci_calc_clk()
1871 pre_val = sdhci_get_preset_value(host); in sdhci_calc_clk()
1873 if (host->clk_mul && in sdhci_calc_clk()
1877 clk_mul = host->clk_mul; in sdhci_calc_clk()
1888 if (host->clk_mul) { in sdhci_calc_clk()
1890 if ((host->max_clk * host->clk_mul / div) in sdhci_calc_clk()
1894 if ((host->max_clk * host->clk_mul / div) <= clock) { in sdhci_calc_clk()
1901 clk_mul = host->clk_mul; in sdhci_calc_clk()
1912 if (!host->clk_mul || switch_base_clk) { in sdhci_calc_clk()
1914 if (host->max_clk <= clock) in sdhci_calc_clk()
1919 if ((host->max_clk / div) <= clock) in sdhci_calc_clk()
1925 if ((host->quirks2 & SDHCI_QUIRK2_CLOCK_DIV_ZERO_BROKEN) in sdhci_calc_clk()
1926 && !div && host->max_clk <= 25000000) in sdhci_calc_clk()
1932 if ((host->max_clk / div) <= clock) in sdhci_calc_clk()
1941 *actual_clock = (host->max_clk * clk_mul) / real_div; in sdhci_calc_clk()
1950 void sdhci_enable_clk(struct sdhci_host *host, u16 clk) in sdhci_enable_clk() argument
1955 sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); in sdhci_enable_clk()
1962 clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL); in sdhci_enable_clk()
1967 mmc_hostname(host->mmc)); in sdhci_enable_clk()
1968 sdhci_dumpregs(host); in sdhci_enable_clk()
1974 if (host->version >= SDHCI_SPEC_410 && host->v4_mode) { in sdhci_enable_clk()
1977 sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); in sdhci_enable_clk()
1984 clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL); in sdhci_enable_clk()
1989 mmc_hostname(host->mmc)); in sdhci_enable_clk()
1990 sdhci_dumpregs(host); in sdhci_enable_clk()
1998 sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); in sdhci_enable_clk()
2002 void sdhci_set_clock(struct sdhci_host *host, unsigned int clock) in sdhci_set_clock() argument
2006 host->mmc->actual_clock = 0; in sdhci_set_clock()
2008 sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); in sdhci_set_clock()
2013 clk = sdhci_calc_clk(host, clock, &host->mmc->actual_clock); in sdhci_set_clock()
2014 sdhci_enable_clk(host, clk); in sdhci_set_clock()
2018 static void sdhci_set_power_reg(struct sdhci_host *host, unsigned char mode, in sdhci_set_power_reg() argument
2021 struct mmc_host *mmc = host->mmc; in sdhci_set_power_reg()
2026 sdhci_writeb(host, SDHCI_POWER_ON, SDHCI_POWER_CONTROL); in sdhci_set_power_reg()
2028 sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); in sdhci_set_power_reg()
2031 void sdhci_set_power_noreg(struct sdhci_host *host, unsigned char mode, in sdhci_set_power_noreg() argument
2064 mmc_hostname(host->mmc), vdd); in sdhci_set_power_noreg()
2069 if (host->pwr == pwr) in sdhci_set_power_noreg()
2072 host->pwr = pwr; in sdhci_set_power_noreg()
2075 sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); in sdhci_set_power_noreg()
2076 if (host->quirks2 & SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON) in sdhci_set_power_noreg()
2077 sdhci_runtime_pm_bus_off(host); in sdhci_set_power_noreg()
2083 if (!(host->quirks & SDHCI_QUIRK_SINGLE_POWER_WRITE)) in sdhci_set_power_noreg()
2084 sdhci_writeb(host, 0, SDHCI_POWER_CONTROL); in sdhci_set_power_noreg()
2091 if (host->quirks & SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER) in sdhci_set_power_noreg()
2092 sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL); in sdhci_set_power_noreg()
2096 sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL); in sdhci_set_power_noreg()
2098 if (host->quirks2 & SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON) in sdhci_set_power_noreg()
2099 sdhci_runtime_pm_bus_on(host); in sdhci_set_power_noreg()
2105 if (host->quirks & SDHCI_QUIRK_DELAY_AFTER_POWER) in sdhci_set_power_noreg()
2111 void sdhci_set_power(struct sdhci_host *host, unsigned char mode, in sdhci_set_power() argument
2114 if (IS_ERR(host->mmc->supply.vmmc)) in sdhci_set_power()
2115 sdhci_set_power_noreg(host, mode, vdd); in sdhci_set_power()
2117 sdhci_set_power_reg(host, mode, vdd); in sdhci_set_power()
2127 void sdhci_set_power_and_bus_voltage(struct sdhci_host *host, in sdhci_set_power_and_bus_voltage() argument
2131 if (!IS_ERR(host->mmc->supply.vmmc)) { in sdhci_set_power_and_bus_voltage()
2132 struct mmc_host *mmc = host->mmc; in sdhci_set_power_and_bus_voltage()
2136 sdhci_set_power_noreg(host, mode, vdd); in sdhci_set_power_and_bus_voltage()
2148 struct sdhci_host *host = mmc_priv(mmc); in sdhci_request() local
2156 spin_lock_irqsave(&host->lock, flags); in sdhci_request()
2158 sdhci_led_activate(host); in sdhci_request()
2160 if (sdhci_present_error(host, mrq->cmd, present)) in sdhci_request()
2163 cmd = sdhci_manual_cmd23(host, mrq) ? mrq->sbc : mrq->cmd; in sdhci_request()
2165 if (!sdhci_send_command_retry(host, cmd, flags)) in sdhci_request()
2168 spin_unlock_irqrestore(&host->lock, flags); in sdhci_request()
2173 sdhci_finish_mrq(host, mrq); in sdhci_request()
2174 spin_unlock_irqrestore(&host->lock, flags); in sdhci_request()
2180 struct sdhci_host *host = mmc_priv(mmc); in sdhci_request_atomic() local
2185 spin_lock_irqsave(&host->lock, flags); in sdhci_request_atomic()
2187 if (sdhci_present_error(host, mrq->cmd, true)) { in sdhci_request_atomic()
2188 sdhci_finish_mrq(host, mrq); in sdhci_request_atomic()
2192 cmd = sdhci_manual_cmd23(host, mrq) ? mrq->sbc : mrq->cmd; in sdhci_request_atomic()
2201 if (!sdhci_send_command(host, cmd)) in sdhci_request_atomic()
2204 sdhci_led_activate(host); in sdhci_request_atomic()
2207 spin_unlock_irqrestore(&host->lock, flags); in sdhci_request_atomic()
2212 void sdhci_set_bus_width(struct sdhci_host *host, int width) in sdhci_set_bus_width() argument
2216 ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); in sdhci_set_bus_width()
2221 if (host->mmc->caps & MMC_CAP_8_BIT_DATA) in sdhci_set_bus_width()
2228 sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); in sdhci_set_bus_width()
2232 void sdhci_set_uhs_signaling(struct sdhci_host *host, unsigned timing) in sdhci_set_uhs_signaling() argument
2236 ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); in sdhci_set_uhs_signaling()
2253 sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2); in sdhci_set_uhs_signaling()
2259 struct sdhci_host *host = mmc_priv(mmc); in sdhci_set_ios() local
2265 if (host->flags & SDHCI_DEVICE_DEAD) { in sdhci_set_ios()
2277 sdhci_writel(host, 0, SDHCI_SIGNAL_ENABLE); in sdhci_set_ios()
2278 sdhci_reinit(host); in sdhci_set_ios()
2281 if (host->version >= SDHCI_SPEC_300 && in sdhci_set_ios()
2283 !(host->quirks2 & SDHCI_QUIRK2_PRESET_VALUE_BROKEN)) in sdhci_set_ios()
2284 sdhci_enable_preset_value(host, false); in sdhci_set_ios()
2286 if (!ios->clock || ios->clock != host->clock) { in sdhci_set_ios()
2287 host->ops->set_clock(host, ios->clock); in sdhci_set_ios()
2288 host->clock = ios->clock; in sdhci_set_ios()
2290 if (host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK && in sdhci_set_ios()
2291 host->clock) { in sdhci_set_ios()
2292 host->timeout_clk = mmc->actual_clock ? in sdhci_set_ios()
2294 host->clock / 1000; in sdhci_set_ios()
2296 host->ops->get_max_timeout_count ? in sdhci_set_ios()
2297 host->ops->get_max_timeout_count(host) : in sdhci_set_ios()
2299 mmc->max_busy_timeout /= host->timeout_clk; in sdhci_set_ios()
2303 if (host->ops->set_power) in sdhci_set_ios()
2304 host->ops->set_power(host, ios->power_mode, ios->vdd); in sdhci_set_ios()
2306 sdhci_set_power(host, ios->power_mode, ios->vdd); in sdhci_set_ios()
2308 if (host->ops->platform_send_init_74_clocks) in sdhci_set_ios()
2309 host->ops->platform_send_init_74_clocks(host, ios->power_mode); in sdhci_set_ios()
2311 host->ops->set_bus_width(host, ios->bus_width); in sdhci_set_ios()
2313 ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); in sdhci_set_ios()
2315 if (!(host->quirks & SDHCI_QUIRK_NO_HISPD_BIT)) { in sdhci_set_ios()
2330 if (host->version >= SDHCI_SPEC_300) { in sdhci_set_ios()
2333 if (!host->preset_enabled) { in sdhci_set_ios()
2334 sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); in sdhci_set_ios()
2339 ctrl_2 = sdhci_readw(host, SDHCI_HOST_CONTROL2); in sdhci_set_ios()
2355 sdhci_writew(host, ctrl_2, SDHCI_HOST_CONTROL2); in sdhci_set_ios()
2365 clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL); in sdhci_set_ios()
2367 sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); in sdhci_set_ios()
2369 sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); in sdhci_set_ios()
2372 host->ops->set_clock(host, host->clock); in sdhci_set_ios()
2376 clk = sdhci_readw(host, SDHCI_CLOCK_CONTROL); in sdhci_set_ios()
2378 sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); in sdhci_set_ios()
2380 host->ops->set_uhs_signaling(host, ios->timing); in sdhci_set_ios()
2381 host->timing = ios->timing; in sdhci_set_ios()
2383 if (!(host->quirks2 & SDHCI_QUIRK2_PRESET_VALUE_BROKEN) && in sdhci_set_ios()
2392 sdhci_enable_preset_value(host, true); in sdhci_set_ios()
2393 preset = sdhci_get_preset_value(host); in sdhci_set_ios()
2399 host->ops->set_clock(host, host->clock); in sdhci_set_ios()
2401 sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); in sdhci_set_ios()
2408 if (host->quirks & SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS) in sdhci_set_ios()
2409 sdhci_do_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA); in sdhci_set_ios()
2415 struct sdhci_host *host = mmc_priv(mmc); in sdhci_get_cd() local
2418 if (host->flags & SDHCI_DEVICE_DEAD) in sdhci_get_cd()
2433 if (host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) in sdhci_get_cd()
2437 return !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT); in sdhci_get_cd()
2442 struct sdhci_host *host = mmc_priv(mmc); in sdhci_get_cd_nogpio() local
2446 spin_lock_irqsave(&host->lock, flags); in sdhci_get_cd_nogpio()
2448 if (host->flags & SDHCI_DEVICE_DEAD) in sdhci_get_cd_nogpio()
2451 ret = !!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT); in sdhci_get_cd_nogpio()
2453 spin_unlock_irqrestore(&host->lock, flags); in sdhci_get_cd_nogpio()
2459 static int sdhci_check_ro(struct sdhci_host *host) in sdhci_check_ro() argument
2464 spin_lock_irqsave(&host->lock, flags); in sdhci_check_ro()
2466 if (host->flags & SDHCI_DEVICE_DEAD) in sdhci_check_ro()
2468 else if (host->ops->get_ro) in sdhci_check_ro()
2469 is_readonly = host->ops->get_ro(host); in sdhci_check_ro()
2470 else if (mmc_can_gpio_ro(host->mmc)) in sdhci_check_ro()
2471 is_readonly = mmc_gpio_get_ro(host->mmc); in sdhci_check_ro()
2473 is_readonly = !(sdhci_readl(host, SDHCI_PRESENT_STATE) in sdhci_check_ro()
2476 spin_unlock_irqrestore(&host->lock, flags); in sdhci_check_ro()
2479 return host->quirks & SDHCI_QUIRK_INVERTED_WRITE_PROTECT ? in sdhci_check_ro()
2487 struct sdhci_host *host = mmc_priv(mmc); in sdhci_get_ro() local
2490 if (!(host->quirks & SDHCI_QUIRK_UNSTABLE_RO_DETECT)) in sdhci_get_ro()
2491 return sdhci_check_ro(host); in sdhci_get_ro()
2495 if (sdhci_check_ro(host)) { in sdhci_get_ro()
2506 struct sdhci_host *host = mmc_priv(mmc); in sdhci_hw_reset() local
2508 if (host->ops && host->ops->hw_reset) in sdhci_hw_reset()
2509 host->ops->hw_reset(host); in sdhci_hw_reset()
2512 static void sdhci_enable_sdio_irq_nolock(struct sdhci_host *host, int enable) in sdhci_enable_sdio_irq_nolock() argument
2514 if (!(host->flags & SDHCI_DEVICE_DEAD)) { in sdhci_enable_sdio_irq_nolock()
2516 host->ier |= SDHCI_INT_CARD_INT; in sdhci_enable_sdio_irq_nolock()
2518 host->ier &= ~SDHCI_INT_CARD_INT; in sdhci_enable_sdio_irq_nolock()
2520 sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); in sdhci_enable_sdio_irq_nolock()
2521 sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); in sdhci_enable_sdio_irq_nolock()
2527 struct sdhci_host *host = mmc_priv(mmc); in sdhci_enable_sdio_irq() local
2533 spin_lock_irqsave(&host->lock, flags); in sdhci_enable_sdio_irq()
2534 sdhci_enable_sdio_irq_nolock(host, enable); in sdhci_enable_sdio_irq()
2535 spin_unlock_irqrestore(&host->lock, flags); in sdhci_enable_sdio_irq()
2544 struct sdhci_host *host = mmc_priv(mmc); in sdhci_ack_sdio_irq() local
2547 spin_lock_irqsave(&host->lock, flags); in sdhci_ack_sdio_irq()
2548 sdhci_enable_sdio_irq_nolock(host, true); in sdhci_ack_sdio_irq()
2549 spin_unlock_irqrestore(&host->lock, flags); in sdhci_ack_sdio_irq()
2555 struct sdhci_host *host = mmc_priv(mmc); in sdhci_start_signal_voltage_switch() local
2563 if (host->version < SDHCI_SPEC_300) in sdhci_start_signal_voltage_switch()
2566 ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); in sdhci_start_signal_voltage_switch()
2570 if (!(host->flags & SDHCI_SIGNALING_330)) in sdhci_start_signal_voltage_switch()
2574 sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); in sdhci_start_signal_voltage_switch()
2588 ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); in sdhci_start_signal_voltage_switch()
2597 if (!(host->flags & SDHCI_SIGNALING_180)) in sdhci_start_signal_voltage_switch()
2613 sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); in sdhci_start_signal_voltage_switch()
2616 if (host->ops->voltage_switch) in sdhci_start_signal_voltage_switch()
2617 host->ops->voltage_switch(host); in sdhci_start_signal_voltage_switch()
2620 ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); in sdhci_start_signal_voltage_switch()
2629 if (!(host->flags & SDHCI_SIGNALING_120)) in sdhci_start_signal_voltage_switch()
2649 struct sdhci_host *host = mmc_priv(mmc); in sdhci_card_busy() local
2653 present_state = sdhci_readl(host, SDHCI_PRESENT_STATE); in sdhci_card_busy()
2660 struct sdhci_host *host = mmc_priv(mmc); in sdhci_prepare_hs400_tuning() local
2663 spin_lock_irqsave(&host->lock, flags); in sdhci_prepare_hs400_tuning()
2664 host->flags |= SDHCI_HS400_TUNING; in sdhci_prepare_hs400_tuning()
2665 spin_unlock_irqrestore(&host->lock, flags); in sdhci_prepare_hs400_tuning()
2670 void sdhci_start_tuning(struct sdhci_host *host) in sdhci_start_tuning() argument
2674 ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); in sdhci_start_tuning()
2676 if (host->quirks2 & SDHCI_QUIRK2_TUNING_WORK_AROUND) in sdhci_start_tuning()
2678 sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); in sdhci_start_tuning()
2690 sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_INT_ENABLE); in sdhci_start_tuning()
2691 sdhci_writel(host, SDHCI_INT_DATA_AVAIL, SDHCI_SIGNAL_ENABLE); in sdhci_start_tuning()
2695 void sdhci_end_tuning(struct sdhci_host *host) in sdhci_end_tuning() argument
2697 sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); in sdhci_end_tuning()
2698 sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); in sdhci_end_tuning()
2702 void sdhci_reset_tuning(struct sdhci_host *host) in sdhci_reset_tuning() argument
2706 ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); in sdhci_reset_tuning()
2709 sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); in sdhci_reset_tuning()
2713 void sdhci_abort_tuning(struct sdhci_host *host, u32 opcode) in sdhci_abort_tuning() argument
2715 sdhci_reset_tuning(host); in sdhci_abort_tuning()
2717 sdhci_do_reset(host, SDHCI_RESET_CMD); in sdhci_abort_tuning()
2718 sdhci_do_reset(host, SDHCI_RESET_DATA); in sdhci_abort_tuning()
2720 sdhci_end_tuning(host); in sdhci_abort_tuning()
2722 mmc_send_abort_tuning(host->mmc, opcode); in sdhci_abort_tuning()
2733 void sdhci_send_tuning(struct sdhci_host *host, u32 opcode) in sdhci_send_tuning() argument
2735 struct mmc_host *mmc = host->mmc; in sdhci_send_tuning()
2739 u32 b = host->sdma_boundary; in sdhci_send_tuning()
2741 spin_lock_irqsave(&host->lock, flags); in sdhci_send_tuning()
2755 sdhci_writew(host, SDHCI_MAKE_BLKSZ(b, 128), SDHCI_BLOCK_SIZE); in sdhci_send_tuning()
2757 sdhci_writew(host, SDHCI_MAKE_BLKSZ(b, 64), SDHCI_BLOCK_SIZE); in sdhci_send_tuning()
2765 sdhci_writew(host, SDHCI_TRNS_READ, SDHCI_TRANSFER_MODE); in sdhci_send_tuning()
2767 if (!sdhci_send_command_retry(host, &cmd, flags)) { in sdhci_send_tuning()
2768 spin_unlock_irqrestore(&host->lock, flags); in sdhci_send_tuning()
2769 host->tuning_done = 0; in sdhci_send_tuning()
2773 host->cmd = NULL; in sdhci_send_tuning()
2775 sdhci_del_timer(host, &mrq); in sdhci_send_tuning()
2777 host->tuning_done = 0; in sdhci_send_tuning()
2779 spin_unlock_irqrestore(&host->lock, flags); in sdhci_send_tuning()
2782 wait_event_timeout(host->buf_ready_int, (host->tuning_done == 1), in sdhci_send_tuning()
2788 static int __sdhci_execute_tuning(struct sdhci_host *host, u32 opcode) in __sdhci_execute_tuning() argument
2796 for (i = 0; i < host->tuning_loop_count; i++) { in __sdhci_execute_tuning()
2799 sdhci_send_tuning(host, opcode); in __sdhci_execute_tuning()
2801 if (!host->tuning_done) { in __sdhci_execute_tuning()
2803 mmc_hostname(host->mmc)); in __sdhci_execute_tuning()
2804 sdhci_abort_tuning(host, opcode); in __sdhci_execute_tuning()
2809 if (host->tuning_delay > 0) in __sdhci_execute_tuning()
2810 mdelay(host->tuning_delay); in __sdhci_execute_tuning()
2812 ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); in __sdhci_execute_tuning()
2822 mmc_hostname(host->mmc)); in __sdhci_execute_tuning()
2823 sdhci_reset_tuning(host); in __sdhci_execute_tuning()
2829 struct sdhci_host *host = mmc_priv(mmc); in sdhci_execute_tuning() local
2834 hs400_tuning = host->flags & SDHCI_HS400_TUNING; in sdhci_execute_tuning()
2836 if (host->tuning_mode == SDHCI_TUNING_MODE_1) in sdhci_execute_tuning()
2837 tuning_count = host->tuning_count; in sdhci_execute_tuning()
2846 switch (host->timing) { in sdhci_execute_tuning()
2866 if (host->flags & SDHCI_SDR50_NEEDS_TUNING) in sdhci_execute_tuning()
2874 if (host->ops->platform_execute_tuning) { in sdhci_execute_tuning()
2875 err = host->ops->platform_execute_tuning(host, opcode); in sdhci_execute_tuning()
2881 if (host->tuning_delay < 0) in sdhci_execute_tuning()
2882 host->tuning_delay = opcode == MMC_SEND_TUNING_BLOCK; in sdhci_execute_tuning()
2884 sdhci_start_tuning(host); in sdhci_execute_tuning()
2886 host->tuning_err = __sdhci_execute_tuning(host, opcode); in sdhci_execute_tuning()
2888 sdhci_end_tuning(host); in sdhci_execute_tuning()
2890 host->flags &= ~SDHCI_HS400_TUNING; in sdhci_execute_tuning()
2896 static void sdhci_enable_preset_value(struct sdhci_host *host, bool enable) in sdhci_enable_preset_value() argument
2899 if (host->version < SDHCI_SPEC_300) in sdhci_enable_preset_value()
2906 if (host->preset_enabled != enable) { in sdhci_enable_preset_value()
2907 u16 ctrl = sdhci_readw(host, SDHCI_HOST_CONTROL2); in sdhci_enable_preset_value()
2914 sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2); in sdhci_enable_preset_value()
2917 host->flags |= SDHCI_PV_ENABLED; in sdhci_enable_preset_value()
2919 host->flags &= ~SDHCI_PV_ENABLED; in sdhci_enable_preset_value()
2921 host->preset_enabled = enable; in sdhci_enable_preset_value()
2939 struct sdhci_host *host = mmc_priv(mmc); in sdhci_pre_req() local
2948 if (host->flags & SDHCI_REQ_USE_DMA && !host->bounce_buffer) in sdhci_pre_req()
2949 sdhci_pre_dma_transfer(host, mrq->data, COOKIE_PRE_MAPPED); in sdhci_pre_req()
2952 static void sdhci_error_out_mrqs(struct sdhci_host *host, int err) in sdhci_error_out_mrqs() argument
2954 if (host->data_cmd) { in sdhci_error_out_mrqs()
2955 host->data_cmd->error = err; in sdhci_error_out_mrqs()
2956 sdhci_finish_mrq(host, host->data_cmd->mrq); in sdhci_error_out_mrqs()
2959 if (host->cmd) { in sdhci_error_out_mrqs()
2960 host->cmd->error = err; in sdhci_error_out_mrqs()
2961 sdhci_finish_mrq(host, host->cmd->mrq); in sdhci_error_out_mrqs()
2967 struct sdhci_host *host = mmc_priv(mmc); in sdhci_card_event() local
2972 if (host->ops->card_event) in sdhci_card_event()
2973 host->ops->card_event(host); in sdhci_card_event()
2977 spin_lock_irqsave(&host->lock, flags); in sdhci_card_event()
2980 if (sdhci_has_requests(host) && !present) { in sdhci_card_event()
2986 sdhci_do_reset(host, SDHCI_RESET_CMD); in sdhci_card_event()
2987 sdhci_do_reset(host, SDHCI_RESET_DATA); in sdhci_card_event()
2989 sdhci_error_out_mrqs(host, -ENOMEDIUM); in sdhci_card_event()
2992 spin_unlock_irqrestore(&host->lock, flags); in sdhci_card_event()
3018 static bool sdhci_request_done(struct sdhci_host *host) in sdhci_request_done() argument
3024 spin_lock_irqsave(&host->lock, flags); in sdhci_request_done()
3027 mrq = host->mrqs_done[i]; in sdhci_request_done()
3033 spin_unlock_irqrestore(&host->lock, flags); in sdhci_request_done()
3041 if (sdhci_needs_reset(host, mrq)) { in sdhci_request_done()
3048 if (host->cmd || host->data_cmd) { in sdhci_request_done()
3049 spin_unlock_irqrestore(&host->lock, flags); in sdhci_request_done()
3054 if (host->quirks & SDHCI_QUIRK_CLOCK_BEFORE_RESET) in sdhci_request_done()
3056 host->ops->set_clock(host, host->clock); in sdhci_request_done()
3062 sdhci_do_reset(host, SDHCI_RESET_CMD); in sdhci_request_done()
3063 sdhci_do_reset(host, SDHCI_RESET_DATA); in sdhci_request_done()
3065 host->pending_reset = false; in sdhci_request_done()
3073 if (host->flags & SDHCI_REQ_USE_DMA) { in sdhci_request_done()
3076 if (host->use_external_dma && data && in sdhci_request_done()
3078 struct dma_chan *chan = sdhci_external_dma_channel(host, data); in sdhci_request_done()
3080 host->mrqs_done[i] = NULL; in sdhci_request_done()
3081 spin_unlock_irqrestore(&host->lock, flags); in sdhci_request_done()
3083 spin_lock_irqsave(&host->lock, flags); in sdhci_request_done()
3084 sdhci_set_mrq_done(host, mrq); in sdhci_request_done()
3088 if (host->bounce_buffer) { in sdhci_request_done()
3096 if (length > host->bounce_buffer_size) { in sdhci_request_done()
3098 mmc_hostname(host->mmc), in sdhci_request_done()
3099 host->bounce_buffer_size, in sdhci_request_done()
3102 length = host->bounce_buffer_size; in sdhci_request_done()
3105 mmc_dev(host->mmc), in sdhci_request_done()
3106 host->bounce_addr, in sdhci_request_done()
3107 host->bounce_buffer_size, in sdhci_request_done()
3111 host->bounce_buffer, in sdhci_request_done()
3116 mmc_dev(host->mmc), in sdhci_request_done()
3117 host->bounce_addr, in sdhci_request_done()
3118 host->bounce_buffer_size, in sdhci_request_done()
3123 dma_unmap_sg(mmc_dev(host->mmc), data->sg, in sdhci_request_done()
3131 host->mrqs_done[i] = NULL; in sdhci_request_done()
3133 spin_unlock_irqrestore(&host->lock, flags); in sdhci_request_done()
3135 if (host->ops->request_done) in sdhci_request_done()
3136 host->ops->request_done(host, mrq); in sdhci_request_done()
3138 mmc_request_done(host->mmc, mrq); in sdhci_request_done()
3145 struct sdhci_host *host = container_of(work, struct sdhci_host, in sdhci_complete_work() local
3148 while (!sdhci_request_done(host)) in sdhci_complete_work()
3154 struct sdhci_host *host; in sdhci_timeout_timer() local
3157 host = from_timer(host, t, timer); in sdhci_timeout_timer()
3159 spin_lock_irqsave(&host->lock, flags); in sdhci_timeout_timer()
3161 if (host->cmd && !sdhci_data_line_cmd(host->cmd)) { in sdhci_timeout_timer()
3163 mmc_hostname(host->mmc)); in sdhci_timeout_timer()
3164 sdhci_dumpregs(host); in sdhci_timeout_timer()
3166 host->cmd->error = -ETIMEDOUT; in sdhci_timeout_timer()
3167 sdhci_finish_mrq(host, host->cmd->mrq); in sdhci_timeout_timer()
3170 spin_unlock_irqrestore(&host->lock, flags); in sdhci_timeout_timer()
3175 struct sdhci_host *host; in sdhci_timeout_data_timer() local
3178 host = from_timer(host, t, data_timer); in sdhci_timeout_data_timer()
3180 spin_lock_irqsave(&host->lock, flags); in sdhci_timeout_data_timer()
3182 if (host->data || host->data_cmd || in sdhci_timeout_data_timer()
3183 (host->cmd && sdhci_data_line_cmd(host->cmd))) { in sdhci_timeout_data_timer()
3185 mmc_hostname(host->mmc)); in sdhci_timeout_data_timer()
3186 sdhci_dumpregs(host); in sdhci_timeout_data_timer()
3188 if (host->data) { in sdhci_timeout_data_timer()
3189 host->data->error = -ETIMEDOUT; in sdhci_timeout_data_timer()
3190 __sdhci_finish_data(host, true); in sdhci_timeout_data_timer()
3191 queue_work(host->complete_wq, &host->complete_work); in sdhci_timeout_data_timer()
3192 } else if (host->data_cmd) { in sdhci_timeout_data_timer()
3193 host->data_cmd->error = -ETIMEDOUT; in sdhci_timeout_data_timer()
3194 sdhci_finish_mrq(host, host->data_cmd->mrq); in sdhci_timeout_data_timer()
3196 host->cmd->error = -ETIMEDOUT; in sdhci_timeout_data_timer()
3197 sdhci_finish_mrq(host, host->cmd->mrq); in sdhci_timeout_data_timer()
3201 spin_unlock_irqrestore(&host->lock, flags); in sdhci_timeout_data_timer()
3210 static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask, u32 *intmask_p) in sdhci_cmd_irq() argument
3213 if (intmask & SDHCI_INT_AUTO_CMD_ERR && host->data_cmd) { in sdhci_cmd_irq()
3214 struct mmc_request *mrq = host->data_cmd->mrq; in sdhci_cmd_irq()
3215 u16 auto_cmd_status = sdhci_readw(host, SDHCI_AUTO_CMD_STATUS); in sdhci_cmd_irq()
3221 if (!mrq->sbc && (host->flags & SDHCI_AUTO_CMD12)) { in sdhci_cmd_irq()
3227 if (!host->cmd) { in sdhci_cmd_irq()
3233 if (host->pending_reset) in sdhci_cmd_irq()
3236 mmc_hostname(host->mmc), (unsigned)intmask); in sdhci_cmd_irq()
3237 sdhci_dumpregs(host); in sdhci_cmd_irq()
3244 host->cmd->error = -ETIMEDOUT; in sdhci_cmd_irq()
3246 host->cmd->error = -EILSEQ; in sdhci_cmd_irq()
3249 if (host->cmd->data && in sdhci_cmd_irq()
3252 host->cmd = NULL; in sdhci_cmd_irq()
3257 __sdhci_finish_mrq(host, host->cmd->mrq); in sdhci_cmd_irq()
3263 struct mmc_request *mrq = host->cmd->mrq; in sdhci_cmd_irq()
3264 u16 auto_cmd_status = sdhci_readw(host, SDHCI_AUTO_CMD_STATUS); in sdhci_cmd_irq()
3269 if (sdhci_auto_cmd23(host, mrq)) { in sdhci_cmd_irq()
3271 __sdhci_finish_mrq(host, mrq); in sdhci_cmd_irq()
3277 sdhci_finish_command(host); in sdhci_cmd_irq()
3280 static void sdhci_adma_show_error(struct sdhci_host *host) in sdhci_adma_show_error() argument
3282 void *desc = host->adma_table; in sdhci_adma_show_error()
3283 dma_addr_t dma = host->adma_addr; in sdhci_adma_show_error()
3285 sdhci_dumpregs(host); in sdhci_adma_show_error()
3290 if (host->flags & SDHCI_USE_64_BIT_DMA) in sdhci_adma_show_error()
3304 desc += host->desc_sz; in sdhci_adma_show_error()
3305 dma += host->desc_sz; in sdhci_adma_show_error()
3312 static void sdhci_data_irq(struct sdhci_host *host, u32 intmask) in sdhci_data_irq() argument
3323 if (intmask & SDHCI_INT_DATA_AVAIL && !host->data) { in sdhci_data_irq()
3324 command = SDHCI_GET_CMD(sdhci_readw(host, SDHCI_COMMAND)); in sdhci_data_irq()
3327 host->tuning_done = 1; in sdhci_data_irq()
3328 wake_up(&host->buf_ready_int); in sdhci_data_irq()
3333 if (!host->data) { in sdhci_data_irq()
3334 struct mmc_command *data_cmd = host->data_cmd; in sdhci_data_irq()
3343 host->data_cmd = NULL; in sdhci_data_irq()
3345 __sdhci_finish_mrq(host, data_cmd->mrq); in sdhci_data_irq()
3349 host->data_cmd = NULL; in sdhci_data_irq()
3355 if (host->cmd == data_cmd) in sdhci_data_irq()
3358 __sdhci_finish_mrq(host, data_cmd->mrq); in sdhci_data_irq()
3368 if (host->pending_reset) in sdhci_data_irq()
3372 mmc_hostname(host->mmc), (unsigned)intmask); in sdhci_data_irq()
3373 sdhci_dumpregs(host); in sdhci_data_irq()
3379 host->data->error = -ETIMEDOUT; in sdhci_data_irq()
3381 host->data->error = -EILSEQ; in sdhci_data_irq()
3383 SDHCI_GET_CMD(sdhci_readw(host, SDHCI_COMMAND)) in sdhci_data_irq()
3385 host->data->error = -EILSEQ; in sdhci_data_irq()
3387 pr_err("%s: ADMA error: 0x%08x\n", mmc_hostname(host->mmc), in sdhci_data_irq()
3389 sdhci_adma_show_error(host); in sdhci_data_irq()
3390 host->data->error = -EIO; in sdhci_data_irq()
3391 if (host->ops->adma_workaround) in sdhci_data_irq()
3392 host->ops->adma_workaround(host, intmask); in sdhci_data_irq()
3395 if (host->data->error) in sdhci_data_irq()
3396 sdhci_finish_data(host); in sdhci_data_irq()
3399 sdhci_transfer_pio(host); in sdhci_data_irq()
3413 dmastart = sdhci_sdma_address(host); in sdhci_data_irq()
3414 dmanow = dmastart + host->data->bytes_xfered; in sdhci_data_irq()
3421 host->data->bytes_xfered = dmanow - dmastart; in sdhci_data_irq()
3423 &dmastart, host->data->bytes_xfered, &dmanow); in sdhci_data_irq()
3424 sdhci_set_sdma_addr(host, dmanow); in sdhci_data_irq()
3428 if (host->cmd == host->data_cmd) { in sdhci_data_irq()
3434 host->data_early = 1; in sdhci_data_irq()
3436 sdhci_finish_data(host); in sdhci_data_irq()
3442 static inline bool sdhci_defer_done(struct sdhci_host *host, in sdhci_defer_done() argument
3447 return host->pending_reset || host->always_defer_done || in sdhci_defer_done()
3448 ((host->flags & SDHCI_REQ_USE_DMA) && data && in sdhci_defer_done()
3456 struct sdhci_host *host = dev_id; in sdhci_irq() local
3461 spin_lock(&host->lock); in sdhci_irq()
3463 if (host->runtime_suspended) { in sdhci_irq()
3464 spin_unlock(&host->lock); in sdhci_irq()
3468 intmask = sdhci_readl(host, SDHCI_INT_STATUS); in sdhci_irq()
3477 if (host->ops->irq) { in sdhci_irq()
3478 intmask = host->ops->irq(host, intmask); in sdhci_irq()
3486 sdhci_writel(host, mask, SDHCI_INT_STATUS); in sdhci_irq()
3489 u32 present = sdhci_readl(host, SDHCI_PRESENT_STATE) & in sdhci_irq()
3503 host->ier &= ~(SDHCI_INT_CARD_INSERT | in sdhci_irq()
3505 host->ier |= present ? SDHCI_INT_CARD_REMOVE : in sdhci_irq()
3507 sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); in sdhci_irq()
3508 sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); in sdhci_irq()
3510 sdhci_writel(host, intmask & (SDHCI_INT_CARD_INSERT | in sdhci_irq()
3513 host->thread_isr |= intmask & (SDHCI_INT_CARD_INSERT | in sdhci_irq()
3519 sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK, &intmask); in sdhci_irq()
3522 sdhci_data_irq(host, intmask & SDHCI_INT_DATA_MASK); in sdhci_irq()
3526 mmc_hostname(host->mmc)); in sdhci_irq()
3529 mmc_retune_needed(host->mmc); in sdhci_irq()
3532 (host->ier & SDHCI_INT_CARD_INT)) { in sdhci_irq()
3533 sdhci_enable_sdio_irq_nolock(host, false); in sdhci_irq()
3534 sdio_signal_irq(host->mmc); in sdhci_irq()
3544 sdhci_writel(host, intmask, SDHCI_INT_STATUS); in sdhci_irq()
3550 intmask = sdhci_readl(host, SDHCI_INT_STATUS); in sdhci_irq()
3555 struct mmc_request *mrq = host->mrqs_done[i]; in sdhci_irq()
3560 if (sdhci_defer_done(host, mrq)) { in sdhci_irq()
3564 host->mrqs_done[i] = NULL; in sdhci_irq()
3568 if (host->deferred_cmd) in sdhci_irq()
3571 spin_unlock(&host->lock); in sdhci_irq()
3578 if (host->ops->request_done) in sdhci_irq()
3579 host->ops->request_done(host, mrqs_done[i]); in sdhci_irq()
3581 mmc_request_done(host->mmc, mrqs_done[i]); in sdhci_irq()
3586 mmc_hostname(host->mmc), unexpected); in sdhci_irq()
3587 sdhci_dumpregs(host); in sdhci_irq()
3595 struct sdhci_host *host = dev_id; in sdhci_thread_irq() local
3600 while (!sdhci_request_done(host)) in sdhci_thread_irq()
3603 spin_lock_irqsave(&host->lock, flags); in sdhci_thread_irq()
3605 isr = host->thread_isr; in sdhci_thread_irq()
3606 host->thread_isr = 0; in sdhci_thread_irq()
3608 cmd = host->deferred_cmd; in sdhci_thread_irq()
3609 if (cmd && !sdhci_send_command_retry(host, cmd, flags)) in sdhci_thread_irq()
3610 sdhci_finish_mrq(host, cmd->mrq); in sdhci_thread_irq()
3612 spin_unlock_irqrestore(&host->lock, flags); in sdhci_thread_irq()
3615 struct mmc_host *mmc = host->mmc; in sdhci_thread_irq()
3632 static bool sdhci_cd_irq_can_wakeup(struct sdhci_host *host) in sdhci_cd_irq_can_wakeup() argument
3634 return mmc_card_is_removable(host->mmc) && in sdhci_cd_irq_can_wakeup()
3635 !(host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) && in sdhci_cd_irq_can_wakeup()
3636 !mmc_can_gpio_cd(host->mmc); in sdhci_cd_irq_can_wakeup()
3647 static bool sdhci_enable_irq_wakeups(struct sdhci_host *host) in sdhci_enable_irq_wakeups() argument
3655 if (sdhci_cd_irq_can_wakeup(host)) { in sdhci_enable_irq_wakeups()
3660 if (mmc_card_wake_sdio_irq(host->mmc)) { in sdhci_enable_irq_wakeups()
3668 val = sdhci_readb(host, SDHCI_WAKE_UP_CONTROL); in sdhci_enable_irq_wakeups()
3671 sdhci_writeb(host, val, SDHCI_WAKE_UP_CONTROL); in sdhci_enable_irq_wakeups()
3673 sdhci_writel(host, irq_val, SDHCI_INT_ENABLE); in sdhci_enable_irq_wakeups()
3675 host->irq_wake_enabled = !enable_irq_wake(host->irq); in sdhci_enable_irq_wakeups()
3677 return host->irq_wake_enabled; in sdhci_enable_irq_wakeups()
3680 static void sdhci_disable_irq_wakeups(struct sdhci_host *host) in sdhci_disable_irq_wakeups() argument
3686 val = sdhci_readb(host, SDHCI_WAKE_UP_CONTROL); in sdhci_disable_irq_wakeups()
3688 sdhci_writeb(host, val, SDHCI_WAKE_UP_CONTROL); in sdhci_disable_irq_wakeups()
3690 disable_irq_wake(host->irq); in sdhci_disable_irq_wakeups()
3692 host->irq_wake_enabled = false; in sdhci_disable_irq_wakeups()
3695 int sdhci_suspend_host(struct sdhci_host *host) in sdhci_suspend_host() argument
3697 sdhci_disable_card_detection(host); in sdhci_suspend_host()
3699 mmc_retune_timer_stop(host->mmc); in sdhci_suspend_host()
3701 if (!device_may_wakeup(mmc_dev(host->mmc)) || in sdhci_suspend_host()
3702 !sdhci_enable_irq_wakeups(host)) { in sdhci_suspend_host()
3703 host->ier = 0; in sdhci_suspend_host()
3704 sdhci_writel(host, 0, SDHCI_INT_ENABLE); in sdhci_suspend_host()
3705 sdhci_writel(host, 0, SDHCI_SIGNAL_ENABLE); in sdhci_suspend_host()
3706 free_irq(host->irq, host); in sdhci_suspend_host()
3714 int sdhci_resume_host(struct sdhci_host *host) in sdhci_resume_host() argument
3716 struct mmc_host *mmc = host->mmc; in sdhci_resume_host()
3719 if (host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) { in sdhci_resume_host()
3720 if (host->ops->enable_dma) in sdhci_resume_host()
3721 host->ops->enable_dma(host); in sdhci_resume_host()
3725 (host->quirks2 & SDHCI_QUIRK2_HOST_OFF_CARD_ON)) { in sdhci_resume_host()
3727 sdhci_init(host, 0); in sdhci_resume_host()
3728 host->pwr = 0; in sdhci_resume_host()
3729 host->clock = 0; in sdhci_resume_host()
3732 sdhci_init(host, (mmc->pm_flags & MMC_PM_KEEP_POWER)); in sdhci_resume_host()
3735 if (host->irq_wake_enabled) { in sdhci_resume_host()
3736 sdhci_disable_irq_wakeups(host); in sdhci_resume_host()
3738 ret = request_threaded_irq(host->irq, sdhci_irq, in sdhci_resume_host()
3740 mmc_hostname(mmc), host); in sdhci_resume_host()
3745 sdhci_enable_card_detection(host); in sdhci_resume_host()
3752 int sdhci_runtime_suspend_host(struct sdhci_host *host) in sdhci_runtime_suspend_host() argument
3756 mmc_retune_timer_stop(host->mmc); in sdhci_runtime_suspend_host()
3758 spin_lock_irqsave(&host->lock, flags); in sdhci_runtime_suspend_host()
3759 host->ier &= SDHCI_INT_CARD_INT; in sdhci_runtime_suspend_host()
3760 sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); in sdhci_runtime_suspend_host()
3761 sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); in sdhci_runtime_suspend_host()
3762 spin_unlock_irqrestore(&host->lock, flags); in sdhci_runtime_suspend_host()
3764 synchronize_hardirq(host->irq); in sdhci_runtime_suspend_host()
3766 spin_lock_irqsave(&host->lock, flags); in sdhci_runtime_suspend_host()
3767 host->runtime_suspended = true; in sdhci_runtime_suspend_host()
3768 spin_unlock_irqrestore(&host->lock, flags); in sdhci_runtime_suspend_host()
3774 int sdhci_runtime_resume_host(struct sdhci_host *host, int soft_reset) in sdhci_runtime_resume_host() argument
3776 struct mmc_host *mmc = host->mmc; in sdhci_runtime_resume_host()
3778 int host_flags = host->flags; in sdhci_runtime_resume_host()
3781 if (host->ops->enable_dma) in sdhci_runtime_resume_host()
3782 host->ops->enable_dma(host); in sdhci_runtime_resume_host()
3785 sdhci_init(host, soft_reset); in sdhci_runtime_resume_host()
3790 host->pwr = 0; in sdhci_runtime_resume_host()
3791 host->clock = 0; in sdhci_runtime_resume_host()
3796 !(host->quirks2 & SDHCI_QUIRK2_PRESET_VALUE_BROKEN)) { in sdhci_runtime_resume_host()
3797 spin_lock_irqsave(&host->lock, flags); in sdhci_runtime_resume_host()
3798 sdhci_enable_preset_value(host, true); in sdhci_runtime_resume_host()
3799 spin_unlock_irqrestore(&host->lock, flags); in sdhci_runtime_resume_host()
3807 spin_lock_irqsave(&host->lock, flags); in sdhci_runtime_resume_host()
3809 host->runtime_suspended = false; in sdhci_runtime_resume_host()
3813 sdhci_enable_sdio_irq_nolock(host, true); in sdhci_runtime_resume_host()
3816 sdhci_enable_card_detection(host); in sdhci_runtime_resume_host()
3818 spin_unlock_irqrestore(&host->lock, flags); in sdhci_runtime_resume_host()
3834 struct sdhci_host *host = mmc_priv(mmc); in sdhci_cqe_enable() local
3838 spin_lock_irqsave(&host->lock, flags); in sdhci_cqe_enable()
3840 ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL); in sdhci_cqe_enable()
3847 if (host->v4_mode && (host->caps1 & SDHCI_CAN_DO_ADMA3)) in sdhci_cqe_enable()
3849 else if (host->flags & SDHCI_USE_64_BIT_DMA) in sdhci_cqe_enable()
3853 sdhci_writeb(host, ctrl, SDHCI_HOST_CONTROL); in sdhci_cqe_enable()
3855 sdhci_writew(host, SDHCI_MAKE_BLKSZ(host->sdma_boundary, 512), in sdhci_cqe_enable()
3859 sdhci_set_timeout(host, NULL); in sdhci_cqe_enable()
3861 host->ier = host->cqe_ier; in sdhci_cqe_enable()
3863 sdhci_writel(host, host->ier, SDHCI_INT_ENABLE); in sdhci_cqe_enable()
3864 sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE); in sdhci_cqe_enable()
3866 host->cqe_on = true; in sdhci_cqe_enable()
3869 mmc_hostname(mmc), host->ier, in sdhci_cqe_enable()
3870 sdhci_readl(host, SDHCI_INT_STATUS)); in sdhci_cqe_enable()
3872 spin_unlock_irqrestore(&host->lock, flags); in sdhci_cqe_enable()
3878 struct sdhci_host *host = mmc_priv(mmc); in sdhci_cqe_disable() local
3881 spin_lock_irqsave(&host->lock, flags); in sdhci_cqe_disable()
3883 sdhci_set_default_irqs(host); in sdhci_cqe_disable()
3885 host->cqe_on = false; in sdhci_cqe_disable()
3888 sdhci_do_reset(host, SDHCI_RESET_CMD); in sdhci_cqe_disable()
3889 sdhci_do_reset(host, SDHCI_RESET_DATA); in sdhci_cqe_disable()
3893 mmc_hostname(mmc), host->ier, in sdhci_cqe_disable()
3894 sdhci_readl(host, SDHCI_INT_STATUS)); in sdhci_cqe_disable()
3896 spin_unlock_irqrestore(&host->lock, flags); in sdhci_cqe_disable()
3900 bool sdhci_cqe_irq(struct sdhci_host *host, u32 intmask, int *cmd_error, in sdhci_cqe_irq() argument
3905 if (!host->cqe_on) in sdhci_cqe_irq()
3925 mask = intmask & host->cqe_ier; in sdhci_cqe_irq()
3926 sdhci_writel(host, mask, SDHCI_INT_STATUS); in sdhci_cqe_irq()
3930 mmc_hostname(host->mmc)); in sdhci_cqe_irq()
3932 intmask &= ~(host->cqe_ier | SDHCI_INT_ERROR); in sdhci_cqe_irq()
3934 sdhci_writel(host, intmask, SDHCI_INT_STATUS); in sdhci_cqe_irq()
3936 mmc_hostname(host->mmc), intmask); in sdhci_cqe_irq()
3937 sdhci_dumpregs(host); in sdhci_cqe_irq()
3954 struct sdhci_host *host; in sdhci_alloc_host() local
3962 host = mmc_priv(mmc); in sdhci_alloc_host()
3963 host->mmc = mmc; in sdhci_alloc_host()
3964 host->mmc_host_ops = sdhci_ops; in sdhci_alloc_host()
3965 mmc->ops = &host->mmc_host_ops; in sdhci_alloc_host()
3967 host->flags = SDHCI_SIGNALING_330; in sdhci_alloc_host()
3969 host->cqe_ier = SDHCI_CQE_INT_MASK; in sdhci_alloc_host()
3970 host->cqe_err_ier = SDHCI_CQE_INT_ERR_MASK; in sdhci_alloc_host()
3972 host->tuning_delay = -1; in sdhci_alloc_host()
3973 host->tuning_loop_count = MAX_TUNING_LOOP; in sdhci_alloc_host()
3975 host->sdma_boundary = SDHCI_DEFAULT_BOUNDARY_ARG; in sdhci_alloc_host()
3982 host->adma_table_cnt = SDHCI_MAX_SEGS * 2 + 1; in sdhci_alloc_host()
3983 host->max_adma = 65536; in sdhci_alloc_host()
3985 host->max_timeout_count = 0xE; in sdhci_alloc_host()
3987 return host; in sdhci_alloc_host()
3992 static int sdhci_set_dma_mask(struct sdhci_host *host) in sdhci_set_dma_mask() argument
3994 struct mmc_host *mmc = host->mmc; in sdhci_set_dma_mask()
3998 if (host->quirks2 & SDHCI_QUIRK2_BROKEN_64_BIT_DMA) in sdhci_set_dma_mask()
3999 host->flags &= ~SDHCI_USE_64_BIT_DMA; in sdhci_set_dma_mask()
4002 if (host->flags & SDHCI_USE_64_BIT_DMA) { in sdhci_set_dma_mask()
4007 host->flags &= ~SDHCI_USE_64_BIT_DMA; in sdhci_set_dma_mask()
4022 void __sdhci_read_caps(struct sdhci_host *host, const u16 *ver, in __sdhci_read_caps() argument
4029 if (host->read_caps) in __sdhci_read_caps()
4032 host->read_caps = true; in __sdhci_read_caps()
4035 host->quirks = debug_quirks; in __sdhci_read_caps()
4038 host->quirks2 = debug_quirks2; in __sdhci_read_caps()
4040 sdhci_do_reset(host, SDHCI_RESET_ALL); in __sdhci_read_caps()
4042 if (host->v4_mode) in __sdhci_read_caps()
4043 sdhci_do_enable_v4_mode(host); in __sdhci_read_caps()
4045 device_property_read_u64(mmc_dev(host->mmc), in __sdhci_read_caps()
4047 device_property_read_u64(mmc_dev(host->mmc), in __sdhci_read_caps()
4050 v = ver ? *ver : sdhci_readw(host, SDHCI_HOST_VERSION); in __sdhci_read_caps()
4051 host->version = (v & SDHCI_SPEC_VER_MASK) >> SDHCI_SPEC_VER_SHIFT; in __sdhci_read_caps()
4053 if (host->quirks & SDHCI_QUIRK_MISSING_CAPS) in __sdhci_read_caps()
4057 host->caps = *caps; in __sdhci_read_caps()
4059 host->caps = sdhci_readl(host, SDHCI_CAPABILITIES); in __sdhci_read_caps()
4060 host->caps &= ~lower_32_bits(dt_caps_mask); in __sdhci_read_caps()
4061 host->caps |= lower_32_bits(dt_caps); in __sdhci_read_caps()
4064 if (host->version < SDHCI_SPEC_300) in __sdhci_read_caps()
4068 host->caps1 = *caps1; in __sdhci_read_caps()
4070 host->caps1 = sdhci_readl(host, SDHCI_CAPABILITIES_1); in __sdhci_read_caps()
4071 host->caps1 &= ~upper_32_bits(dt_caps_mask); in __sdhci_read_caps()
4072 host->caps1 |= upper_32_bits(dt_caps); in __sdhci_read_caps()
4077 static void sdhci_allocate_bounce_buffer(struct sdhci_host *host) in sdhci_allocate_bounce_buffer() argument
4079 struct mmc_host *mmc = host->mmc; in sdhci_allocate_bounce_buffer()
4104 host->bounce_buffer = devm_kmalloc(mmc_dev(mmc), in sdhci_allocate_bounce_buffer()
4107 if (!host->bounce_buffer) { in sdhci_allocate_bounce_buffer()
4118 host->bounce_addr = dma_map_single(mmc_dev(mmc), in sdhci_allocate_bounce_buffer()
4119 host->bounce_buffer, in sdhci_allocate_bounce_buffer()
4122 ret = dma_mapping_error(mmc_dev(mmc), host->bounce_addr); in sdhci_allocate_bounce_buffer()
4124 devm_kfree(mmc_dev(mmc), host->bounce_buffer); in sdhci_allocate_bounce_buffer()
4125 host->bounce_buffer = NULL; in sdhci_allocate_bounce_buffer()
4130 host->bounce_buffer_size = bounce_size; in sdhci_allocate_bounce_buffer()
4141 static inline bool sdhci_can_64bit_dma(struct sdhci_host *host) in sdhci_can_64bit_dma() argument
4148 if (host->version >= SDHCI_SPEC_410 && host->v4_mode) in sdhci_can_64bit_dma()
4149 return host->caps & SDHCI_CAN_64BIT_V4; in sdhci_can_64bit_dma()
4151 return host->caps & SDHCI_CAN_64BIT; in sdhci_can_64bit_dma()
4154 int sdhci_setup_host(struct sdhci_host *host) in sdhci_setup_host() argument
4164 WARN_ON(host == NULL); in sdhci_setup_host()
4165 if (host == NULL) in sdhci_setup_host()
4168 mmc = host->mmc; in sdhci_setup_host()
4184 sdhci_readw(host, SDHCI_HOST_VERSION), in sdhci_setup_host()
4185 sdhci_readl(host, SDHCI_PRESENT_STATE)); in sdhci_setup_host()
4187 sdhci_readl(host, SDHCI_CAPABILITIES), in sdhci_setup_host()
4188 sdhci_readl(host, SDHCI_CAPABILITIES_1)); in sdhci_setup_host()
4190 sdhci_read_caps(host); in sdhci_setup_host()
4192 override_timeout_clk = host->timeout_clk; in sdhci_setup_host()
4194 if (host->version > SDHCI_SPEC_420) { in sdhci_setup_host()
4196 mmc_hostname(mmc), host->version); in sdhci_setup_host()
4199 if (host->quirks & SDHCI_QUIRK_FORCE_DMA) in sdhci_setup_host()
4200 host->flags |= SDHCI_USE_SDMA; in sdhci_setup_host()
4201 else if (!(host->caps & SDHCI_CAN_DO_SDMA)) in sdhci_setup_host()
4204 host->flags |= SDHCI_USE_SDMA; in sdhci_setup_host()
4206 if ((host->quirks & SDHCI_QUIRK_BROKEN_DMA) && in sdhci_setup_host()
4207 (host->flags & SDHCI_USE_SDMA)) { in sdhci_setup_host()
4209 host->flags &= ~SDHCI_USE_SDMA; in sdhci_setup_host()
4212 if ((host->version >= SDHCI_SPEC_200) && in sdhci_setup_host()
4213 (host->caps & SDHCI_CAN_DO_ADMA2)) in sdhci_setup_host()
4214 host->flags |= SDHCI_USE_ADMA; in sdhci_setup_host()
4216 if ((host->quirks & SDHCI_QUIRK_BROKEN_ADMA) && in sdhci_setup_host()
4217 (host->flags & SDHCI_USE_ADMA)) { in sdhci_setup_host()
4219 host->flags &= ~SDHCI_USE_ADMA; in sdhci_setup_host()
4222 if (sdhci_can_64bit_dma(host)) in sdhci_setup_host()
4223 host->flags |= SDHCI_USE_64_BIT_DMA; in sdhci_setup_host()
4225 if (host->use_external_dma) { in sdhci_setup_host()
4226 ret = sdhci_external_dma_init(host); in sdhci_setup_host()
4234 sdhci_switch_external_dma(host, false); in sdhci_setup_host()
4237 host->flags &= ~(SDHCI_USE_SDMA | SDHCI_USE_ADMA); in sdhci_setup_host()
4240 if (host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)) { in sdhci_setup_host()
4241 if (host->ops->set_dma_mask) in sdhci_setup_host()
4242 ret = host->ops->set_dma_mask(host); in sdhci_setup_host()
4244 ret = sdhci_set_dma_mask(host); in sdhci_setup_host()
4246 if (!ret && host->ops->enable_dma) in sdhci_setup_host()
4247 ret = host->ops->enable_dma(host); in sdhci_setup_host()
4252 host->flags &= ~(SDHCI_USE_SDMA | SDHCI_USE_ADMA); in sdhci_setup_host()
4259 if ((host->flags & SDHCI_USE_64_BIT_DMA) && !host->v4_mode) in sdhci_setup_host()
4260 host->flags &= ~SDHCI_USE_SDMA; in sdhci_setup_host()
4262 if (host->flags & SDHCI_USE_ADMA) { in sdhci_setup_host()
4266 if (!(host->flags & SDHCI_USE_64_BIT_DMA)) in sdhci_setup_host()
4267 host->alloc_desc_sz = SDHCI_ADMA2_32_DESC_SZ; in sdhci_setup_host()
4268 else if (!host->alloc_desc_sz) in sdhci_setup_host()
4269 host->alloc_desc_sz = SDHCI_ADMA2_64_DESC_SZ(host); in sdhci_setup_host()
4271 host->desc_sz = host->alloc_desc_sz; in sdhci_setup_host()
4272 host->adma_table_sz = host->adma_table_cnt * host->desc_sz; in sdhci_setup_host()
4274 host->align_buffer_sz = SDHCI_MAX_SEGS * SDHCI_ADMA2_ALIGN; in sdhci_setup_host()
4280 host->align_buffer_sz + host->adma_table_sz, in sdhci_setup_host()
4285 host->flags &= ~SDHCI_USE_ADMA; in sdhci_setup_host()
4286 } else if ((dma + host->align_buffer_sz) & in sdhci_setup_host()
4290 host->flags &= ~SDHCI_USE_ADMA; in sdhci_setup_host()
4291 dma_free_coherent(mmc_dev(mmc), host->align_buffer_sz + in sdhci_setup_host()
4292 host->adma_table_sz, buf, dma); in sdhci_setup_host()
4294 host->align_buffer = buf; in sdhci_setup_host()
4295 host->align_addr = dma; in sdhci_setup_host()
4297 host->adma_table = buf + host->align_buffer_sz; in sdhci_setup_host()
4298 host->adma_addr = dma + host->align_buffer_sz; in sdhci_setup_host()
4307 if (!(host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA))) { in sdhci_setup_host()
4308 host->dma_mask = DMA_BIT_MASK(64); in sdhci_setup_host()
4309 mmc_dev(mmc)->dma_mask = &host->dma_mask; in sdhci_setup_host()
4312 if (host->version >= SDHCI_SPEC_300) in sdhci_setup_host()
4313 host->max_clk = FIELD_GET(SDHCI_CLOCK_V3_BASE_MASK, host->caps); in sdhci_setup_host()
4315 host->max_clk = FIELD_GET(SDHCI_CLOCK_BASE_MASK, host->caps); in sdhci_setup_host()
4317 host->max_clk *= 1000000; in sdhci_setup_host()
4318 if (host->max_clk == 0 || host->quirks & in sdhci_setup_host()
4320 if (!host->ops->get_max_clock) { in sdhci_setup_host()
4326 host->max_clk = host->ops->get_max_clock(host); in sdhci_setup_host()
4333 host->clk_mul = FIELD_GET(SDHCI_CLOCK_MUL_MASK, host->caps1); in sdhci_setup_host()
4341 if (host->clk_mul) in sdhci_setup_host()
4342 host->clk_mul += 1; in sdhci_setup_host()
4347 max_clk = host->max_clk; in sdhci_setup_host()
4349 if (host->ops->get_min_clock) in sdhci_setup_host()
4350 mmc->f_min = host->ops->get_min_clock(host); in sdhci_setup_host()
4351 else if (host->version >= SDHCI_SPEC_300) { in sdhci_setup_host()
4352 if (host->clk_mul) in sdhci_setup_host()
4353 max_clk = host->max_clk * host->clk_mul; in sdhci_setup_host()
4358 mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_300; in sdhci_setup_host()
4360 mmc->f_min = host->max_clk / SDHCI_MAX_DIV_SPEC_200; in sdhci_setup_host()
4365 if (!(host->quirks & SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK)) { in sdhci_setup_host()
4366 host->timeout_clk = FIELD_GET(SDHCI_TIMEOUT_CLK_MASK, host->caps); in sdhci_setup_host()
4368 if (host->caps & SDHCI_TIMEOUT_CLK_UNIT) in sdhci_setup_host()
4369 host->timeout_clk *= 1000; in sdhci_setup_host()
4371 if (host->timeout_clk == 0) { in sdhci_setup_host()
4372 if (!host->ops->get_timeout_clock) { in sdhci_setup_host()
4379 host->timeout_clk = in sdhci_setup_host()
4380 DIV_ROUND_UP(host->ops->get_timeout_clock(host), in sdhci_setup_host()
4385 host->timeout_clk = override_timeout_clk; in sdhci_setup_host()
4387 mmc->max_busy_timeout = host->ops->get_max_timeout_count ? in sdhci_setup_host()
4388 host->ops->get_max_timeout_count(host) : 1 << 27; in sdhci_setup_host()
4389 mmc->max_busy_timeout /= host->timeout_clk; in sdhci_setup_host()
4392 if (host->quirks2 & SDHCI_QUIRK2_DISABLE_HW_TIMEOUT && in sdhci_setup_host()
4393 !host->ops->get_max_timeout_count) in sdhci_setup_host()
4399 if (host->quirks & SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12) in sdhci_setup_host()
4400 host->flags |= SDHCI_AUTO_CMD12; in sdhci_setup_host()
4406 if ((host->version >= SDHCI_SPEC_300) && in sdhci_setup_host()
4407 ((host->flags & SDHCI_USE_ADMA) || in sdhci_setup_host()
4408 !(host->flags & SDHCI_USE_SDMA) || host->v4_mode) && in sdhci_setup_host()
4409 !(host->quirks2 & SDHCI_QUIRK2_ACMD23_BROKEN)) { in sdhci_setup_host()
4410 host->flags |= SDHCI_AUTO_CMD23; in sdhci_setup_host()
4423 if (!(host->quirks & SDHCI_QUIRK_FORCE_1_BIT_DATA)) in sdhci_setup_host()
4426 if (host->quirks2 & SDHCI_QUIRK2_HOST_NO_CMD23) in sdhci_setup_host()
4429 if (host->caps & SDHCI_CAN_DO_HISPD) in sdhci_setup_host()
4432 if ((host->quirks & SDHCI_QUIRK_BROKEN_CARD_DETECTION) && in sdhci_setup_host()
4440 host->sdhci_core_to_disable_vqmmc = !ret; in sdhci_setup_host()
4446 host->caps1 &= ~(SDHCI_SUPPORT_SDR104 | in sdhci_setup_host()
4453 host->flags &= ~SDHCI_SIGNALING_330; in sdhci_setup_host()
4463 if (host->quirks2 & SDHCI_QUIRK2_NO_1_8_V) { in sdhci_setup_host()
4464 host->caps1 &= ~(SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 | in sdhci_setup_host()
4479 if (host->caps1 & (SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 | in sdhci_setup_host()
4484 if (host->caps1 & SDHCI_SUPPORT_SDR104) { in sdhci_setup_host()
4489 if (!(host->quirks2 & SDHCI_QUIRK2_BROKEN_HS200)) in sdhci_setup_host()
4491 } else if (host->caps1 & SDHCI_SUPPORT_SDR50) { in sdhci_setup_host()
4495 if (host->quirks2 & SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400 && in sdhci_setup_host()
4496 (host->caps1 & SDHCI_SUPPORT_HS400)) in sdhci_setup_host()
4505 if ((host->caps1 & SDHCI_SUPPORT_DDR50) && in sdhci_setup_host()
4506 !(host->quirks2 & SDHCI_QUIRK2_BROKEN_DDR50)) in sdhci_setup_host()
4510 if (host->caps1 & SDHCI_USE_SDR50_TUNING) in sdhci_setup_host()
4511 host->flags |= SDHCI_SDR50_NEEDS_TUNING; in sdhci_setup_host()
4514 if (host->caps1 & SDHCI_DRIVER_TYPE_A) in sdhci_setup_host()
4516 if (host->caps1 & SDHCI_DRIVER_TYPE_C) in sdhci_setup_host()
4518 if (host->caps1 & SDHCI_DRIVER_TYPE_D) in sdhci_setup_host()
4522 host->tuning_count = FIELD_GET(SDHCI_RETUNING_TIMER_COUNT_MASK, in sdhci_setup_host()
4523 host->caps1); in sdhci_setup_host()
4529 if (host->tuning_count) in sdhci_setup_host()
4530 host->tuning_count = 1 << (host->tuning_count - 1); in sdhci_setup_host()
4533 host->tuning_mode = FIELD_GET(SDHCI_RETUNING_MODE_MASK, host->caps1); in sdhci_setup_host()
4544 max_current_caps = sdhci_readl(host, SDHCI_MAX_CURRENT); in sdhci_setup_host()
4561 if (host->caps & SDHCI_CAN_VDD_330) { in sdhci_setup_host()
4568 if (host->caps & SDHCI_CAN_VDD_300) { in sdhci_setup_host()
4575 if (host->caps & SDHCI_CAN_VDD_180) { in sdhci_setup_host()
4584 if (host->ocr_mask) in sdhci_setup_host()
4585 ocr_avail = host->ocr_mask; in sdhci_setup_host()
4593 if (host->ocr_avail_sdio) in sdhci_setup_host()
4594 mmc->ocr_avail_sdio &= host->ocr_avail_sdio; in sdhci_setup_host()
4596 if (host->ocr_avail_sd) in sdhci_setup_host()
4597 mmc->ocr_avail_sd &= host->ocr_avail_sd; in sdhci_setup_host()
4601 if (host->ocr_avail_mmc) in sdhci_setup_host()
4602 mmc->ocr_avail_mmc &= host->ocr_avail_mmc; in sdhci_setup_host()
4615 host->flags |= SDHCI_SIGNALING_180; in sdhci_setup_host()
4618 host->flags |= SDHCI_SIGNALING_120; in sdhci_setup_host()
4620 spin_lock_init(&host->lock); in sdhci_setup_host()
4633 if (host->flags & SDHCI_USE_ADMA) { in sdhci_setup_host()
4635 } else if (host->flags & SDHCI_USE_SDMA) { in sdhci_setup_host()
4648 if (host->flags & SDHCI_USE_ADMA) { in sdhci_setup_host()
4649 if (host->quirks & SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC) { in sdhci_setup_host()
4650 host->max_adma = 65532; /* 32-bit alignment */ in sdhci_setup_host()
4663 if (host->quirks & SDHCI_QUIRK_FORCE_BLK_SZ_2048) { in sdhci_setup_host()
4666 mmc->max_blk_size = (host->caps & SDHCI_MAX_BLOCK_MASK) >> in sdhci_setup_host()
4680 mmc->max_blk_count = (host->quirks & SDHCI_QUIRK_NO_MULTIBLOCK) ? 1 : 65535; in sdhci_setup_host()
4684 sdhci_allocate_bounce_buffer(host); in sdhci_setup_host()
4689 if (host->sdhci_core_to_disable_vqmmc) in sdhci_setup_host()
4692 if (host->align_buffer) in sdhci_setup_host()
4693 dma_free_coherent(mmc_dev(mmc), host->align_buffer_sz + in sdhci_setup_host()
4694 host->adma_table_sz, host->align_buffer, in sdhci_setup_host()
4695 host->align_addr); in sdhci_setup_host()
4696 host->adma_table = NULL; in sdhci_setup_host()
4697 host->align_buffer = NULL; in sdhci_setup_host()
4703 void sdhci_cleanup_host(struct sdhci_host *host) in sdhci_cleanup_host() argument
4705 struct mmc_host *mmc = host->mmc; in sdhci_cleanup_host()
4707 if (host->sdhci_core_to_disable_vqmmc) in sdhci_cleanup_host()
4710 if (host->align_buffer) in sdhci_cleanup_host()
4711 dma_free_coherent(mmc_dev(mmc), host->align_buffer_sz + in sdhci_cleanup_host()
4712 host->adma_table_sz, host->align_buffer, in sdhci_cleanup_host()
4713 host->align_addr); in sdhci_cleanup_host()
4715 if (host->use_external_dma) in sdhci_cleanup_host()
4716 sdhci_external_dma_release(host); in sdhci_cleanup_host()
4718 host->adma_table = NULL; in sdhci_cleanup_host()
4719 host->align_buffer = NULL; in sdhci_cleanup_host()
4723 int __sdhci_add_host(struct sdhci_host *host) in __sdhci_add_host() argument
4726 struct mmc_host *mmc = host->mmc; in __sdhci_add_host()
4730 (host->quirks & SDHCI_QUIRK_BROKEN_CQE)) { in __sdhci_add_host()
4735 host->complete_wq = alloc_workqueue("sdhci", flags, 0); in __sdhci_add_host()
4736 if (!host->complete_wq) in __sdhci_add_host()
4739 INIT_WORK(&host->complete_work, sdhci_complete_work); in __sdhci_add_host()
4741 timer_setup(&host->timer, sdhci_timeout_timer, 0); in __sdhci_add_host()
4742 timer_setup(&host->data_timer, sdhci_timeout_data_timer, 0); in __sdhci_add_host()
4744 init_waitqueue_head(&host->buf_ready_int); in __sdhci_add_host()
4746 sdhci_init(host, 0); in __sdhci_add_host()
4748 ret = request_threaded_irq(host->irq, sdhci_irq, sdhci_thread_irq, in __sdhci_add_host()
4749 IRQF_SHARED, mmc_hostname(mmc), host); in __sdhci_add_host()
4752 mmc_hostname(mmc), host->irq, ret); in __sdhci_add_host()
4756 ret = sdhci_led_register(host); in __sdhci_add_host()
4768 mmc_hostname(mmc), host->hw_name, dev_name(mmc_dev(mmc)), in __sdhci_add_host()
4769 host->use_external_dma ? "External DMA" : in __sdhci_add_host()
4770 (host->flags & SDHCI_USE_ADMA) ? in __sdhci_add_host()
4771 (host->flags & SDHCI_USE_64_BIT_DMA) ? "ADMA 64-bit" : "ADMA" : in __sdhci_add_host()
4772 (host->flags & SDHCI_USE_SDMA) ? "DMA" : "PIO"); in __sdhci_add_host()
4774 sdhci_enable_card_detection(host); in __sdhci_add_host()
4779 sdhci_led_unregister(host); in __sdhci_add_host()
4781 sdhci_do_reset(host, SDHCI_RESET_ALL); in __sdhci_add_host()
4782 sdhci_writel(host, 0, SDHCI_INT_ENABLE); in __sdhci_add_host()
4783 sdhci_writel(host, 0, SDHCI_SIGNAL_ENABLE); in __sdhci_add_host()
4784 free_irq(host->irq, host); in __sdhci_add_host()
4786 destroy_workqueue(host->complete_wq); in __sdhci_add_host()
4792 int sdhci_add_host(struct sdhci_host *host) in sdhci_add_host() argument
4796 ret = sdhci_setup_host(host); in sdhci_add_host()
4800 ret = __sdhci_add_host(host); in sdhci_add_host()
4807 sdhci_cleanup_host(host); in sdhci_add_host()
4813 void sdhci_remove_host(struct sdhci_host *host, int dead) in sdhci_remove_host() argument
4815 struct mmc_host *mmc = host->mmc; in sdhci_remove_host()
4819 spin_lock_irqsave(&host->lock, flags); in sdhci_remove_host()
4821 host->flags |= SDHCI_DEVICE_DEAD; in sdhci_remove_host()
4823 if (sdhci_has_requests(host)) { in sdhci_remove_host()
4826 sdhci_error_out_mrqs(host, -ENOMEDIUM); in sdhci_remove_host()
4829 spin_unlock_irqrestore(&host->lock, flags); in sdhci_remove_host()
4832 sdhci_disable_card_detection(host); in sdhci_remove_host()
4836 sdhci_led_unregister(host); in sdhci_remove_host()
4839 sdhci_do_reset(host, SDHCI_RESET_ALL); in sdhci_remove_host()
4841 sdhci_writel(host, 0, SDHCI_INT_ENABLE); in sdhci_remove_host()
4842 sdhci_writel(host, 0, SDHCI_SIGNAL_ENABLE); in sdhci_remove_host()
4843 free_irq(host->irq, host); in sdhci_remove_host()
4845 del_timer_sync(&host->timer); in sdhci_remove_host()
4846 del_timer_sync(&host->data_timer); in sdhci_remove_host()
4848 destroy_workqueue(host->complete_wq); in sdhci_remove_host()
4850 if (host->sdhci_core_to_disable_vqmmc) in sdhci_remove_host()
4853 if (host->align_buffer) in sdhci_remove_host()
4854 dma_free_coherent(mmc_dev(mmc), host->align_buffer_sz + in sdhci_remove_host()
4855 host->adma_table_sz, host->align_buffer, in sdhci_remove_host()
4856 host->align_addr); in sdhci_remove_host()
4858 if (host->use_external_dma) in sdhci_remove_host()
4859 sdhci_external_dma_release(host); in sdhci_remove_host()
4861 host->adma_table = NULL; in sdhci_remove_host()
4862 host->align_buffer = NULL; in sdhci_remove_host()
4867 void sdhci_free_host(struct sdhci_host *host) in sdhci_free_host() argument
4869 mmc_free_host(host->mmc); in sdhci_free_host()