Nicolas Ferre | c42aa77 | 2008-11-20 15:59:12 +0100 | [diff] [blame] | 1 | #ifndef __LINUX_ATMEL_MCI_H |
| 2 | #define __LINUX_ATMEL_MCI_H |
Haavard Skinnemoen | 7d2be07 | 2008-06-30 18:35:03 +0200 | [diff] [blame] | 3 | |
Hans-Christian Egtvedt | 8ca2861 | 2014-08-07 15:14:06 +0200 | [diff] [blame] | 4 | #include <linux/types.h> |
| 5 | |
Ludovic Desroches | 2c96a29 | 2011-08-11 15:25:41 +0000 | [diff] [blame] | 6 | #define ATMCI_MAX_NR_SLOTS 2 |
Haavard Skinnemoen | 965ebf3 | 2008-09-17 20:53:55 +0200 | [diff] [blame] | 7 | |
Haavard Skinnemoen | 6b91865 | 2008-08-07 14:08:49 +0200 | [diff] [blame] | 8 | /** |
| 9 | * struct mci_slot_pdata - board-specific per-slot configuration |
| 10 | * @bus_width: Number of data lines wired up the slot |
| 11 | * @detect_pin: GPIO pin wired to the card detect switch |
| 12 | * @wp_pin: GPIO pin wired to the write protect sensor |
Jonas Larsson | 1c1452b | 2009-03-31 11:16:48 +0200 | [diff] [blame] | 13 | * @detect_is_active_high: The state of the detect pin when it is active |
Timo Kokkonen | 76d5556 | 2014-11-03 13:12:59 +0200 | [diff] [blame] | 14 | * @non_removable: The slot is not removable, only detect once |
Haavard Skinnemoen | 6b91865 | 2008-08-07 14:08:49 +0200 | [diff] [blame] | 15 | * |
| 16 | * If a given slot is not present on the board, @bus_width should be |
| 17 | * set to 0. The other fields are ignored in this case. |
| 18 | * |
| 19 | * Any pins that aren't available should be set to a negative value. |
Haavard Skinnemoen | 965ebf3 | 2008-09-17 20:53:55 +0200 | [diff] [blame] | 20 | * |
| 21 | * Note that support for multiple slots is experimental -- some cards |
| 22 | * might get upset if we don't get the clock management exactly right. |
| 23 | * But in most cases, it should work just fine. |
Haavard Skinnemoen | 6b91865 | 2008-08-07 14:08:49 +0200 | [diff] [blame] | 24 | */ |
| 25 | struct mci_slot_pdata { |
| 26 | unsigned int bus_width; |
Haavard Skinnemoen | 7d2be07 | 2008-06-30 18:35:03 +0200 | [diff] [blame] | 27 | int detect_pin; |
| 28 | int wp_pin; |
Jonas Larsson | 1c1452b | 2009-03-31 11:16:48 +0200 | [diff] [blame] | 29 | bool detect_is_active_high; |
Timo Kokkonen | 76d5556 | 2014-11-03 13:12:59 +0200 | [diff] [blame] | 30 | bool non_removable; |
Haavard Skinnemoen | 7d2be07 | 2008-06-30 18:35:03 +0200 | [diff] [blame] | 31 | }; |
| 32 | |
Haavard Skinnemoen | 6b91865 | 2008-08-07 14:08:49 +0200 | [diff] [blame] | 33 | /** |
| 34 | * struct mci_platform_data - board-specific MMC/SDcard configuration |
Dan Williams | 74465b4 | 2009-01-06 11:38:16 -0700 | [diff] [blame] | 35 | * @dma_slave: DMA slave interface to use in data transfers. |
Haavard Skinnemoen | 6b91865 | 2008-08-07 14:08:49 +0200 | [diff] [blame] | 36 | * @slot: Per-slot configuration data. |
| 37 | */ |
| 38 | struct mci_platform_data { |
Nicolas Ferre | 2635d1b | 2009-12-14 18:01:30 -0800 | [diff] [blame] | 39 | struct mci_dma_data *dma_slave; |
Ludovic Desroches | 2c96a29 | 2011-08-11 15:25:41 +0000 | [diff] [blame] | 40 | struct mci_slot_pdata slot[ATMCI_MAX_NR_SLOTS]; |
Haavard Skinnemoen | 6b91865 | 2008-08-07 14:08:49 +0200 | [diff] [blame] | 41 | }; |
| 42 | |
Nicolas Ferre | c42aa77 | 2008-11-20 15:59:12 +0100 | [diff] [blame] | 43 | #endif /* __LINUX_ATMEL_MCI_H */ |