Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 2 | /* |
Linus Walleij | 6ef297f | 2009-09-22 14:29:36 +0100 | [diff] [blame] | 3 | * include/linux/amba/mmci.h |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 4 | */ |
Linus Walleij | 6ef297f | 2009-09-22 14:29:36 +0100 | [diff] [blame] | 5 | #ifndef AMBA_MMCI_H |
| 6 | #define AMBA_MMCI_H |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 7 | |
Pierre Ossman | f74d132 | 2007-02-09 22:49:31 +0100 | [diff] [blame] | 8 | #include <linux/mmc/host.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 9 | |
Linus Walleij | 808d97c | 2010-04-08 07:39:38 +0100 | [diff] [blame] | 10 | /** |
| 11 | * struct mmci_platform_data - platform configuration for the MMCI |
| 12 | * (also known as PL180) block. |
Linus Walleij | 808d97c | 2010-04-08 07:39:38 +0100 | [diff] [blame] | 13 | * @ocr_mask: available voltages on the 4 pins from the block, this |
| 14 | * is ignored if a regulator is used, see the MMC_VDD_* masks in |
| 15 | * mmc/host.h |
Ulf Hansson | bc52181 | 2011-12-13 16:57:55 +0100 | [diff] [blame] | 16 | * @ios_handler: a callback function to act on specfic ios changes, |
| 17 | * used for example to control a levelshifter |
Rabin Vincent | bb8f563 | 2010-07-21 12:53:57 +0100 | [diff] [blame] | 18 | * mask into a value to be binary (or set some other custom bits |
| 19 | * in MMCIPWR) or:ed and written into the MMCIPWR register of the |
| 20 | * block. May also control external power based on the power_mode. |
Linus Walleij | 808d97c | 2010-04-08 07:39:38 +0100 | [diff] [blame] | 21 | * @status: if no GPIO read function was given to the block in |
| 22 | * gpio_wp (below) this function will be called to determine |
| 23 | * whether a card is present in the MMC slot or not |
| 24 | * @gpio_wp: read this GPIO pin to see if the card is write protected |
| 25 | * @gpio_cd: read this GPIO pin to detect card insertion |
Rabin Vincent | 2971944 | 2010-08-09 12:54:43 +0100 | [diff] [blame] | 26 | * @cd_invert: true if the gpio_cd pin value is active low |
Linus Walleij | 808d97c | 2010-04-08 07:39:38 +0100 | [diff] [blame] | 27 | */ |
Linus Walleij | 6ef297f | 2009-09-22 14:29:36 +0100 | [diff] [blame] | 28 | struct mmci_platform_data { |
Linus Walleij | 808d97c | 2010-04-08 07:39:38 +0100 | [diff] [blame] | 29 | unsigned int ocr_mask; |
Ulf Hansson | bc52181 | 2011-12-13 16:57:55 +0100 | [diff] [blame] | 30 | int (*ios_handler)(struct device *, struct mmc_ios *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | unsigned int (*status)(struct device *); |
Russell King | 7fb2bbf | 2009-07-09 15:15:12 +0100 | [diff] [blame] | 32 | int gpio_wp; |
| 33 | int gpio_cd; |
Rabin Vincent | 2971944 | 2010-08-09 12:54:43 +0100 | [diff] [blame] | 34 | bool cd_invert; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 35 | }; |
| 36 | |
| 37 | #endif |