Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Linus Walleij | 6ef297f | 2009-09-22 14:29:36 +0100 | [diff] [blame] | 2 | * include/linux/amba/mmci.h |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | */ |
Linus Walleij | 6ef297f | 2009-09-22 14:29:36 +0100 | [diff] [blame] | 4 | #ifndef AMBA_MMCI_H |
| 5 | #define AMBA_MMCI_H |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 6 | |
Pierre Ossman | f74d132 | 2007-02-09 22:49:31 +0100 | [diff] [blame] | 7 | #include <linux/mmc/host.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 8 | |
Russell King | c8ebae3 | 2011-01-11 19:35:53 +0000 | [diff] [blame] | 9 | /* Just some dummy forwarding */ |
| 10 | struct dma_chan; |
| 11 | |
Linus Walleij | 808d97c | 2010-04-08 07:39:38 +0100 | [diff] [blame] | 12 | /** |
| 13 | * struct mmci_platform_data - platform configuration for the MMCI |
| 14 | * (also known as PL180) block. |
| 15 | * @f_max: the maximum operational frequency for this host in this |
| 16 | * platform configuration. When this is specified it takes precedence |
| 17 | * over the module parameter for the same frequency. |
| 18 | * @ocr_mask: available voltages on the 4 pins from the block, this |
| 19 | * is ignored if a regulator is used, see the MMC_VDD_* masks in |
| 20 | * mmc/host.h |
Rabin Vincent | bb8f563 | 2010-07-21 12:53:57 +0100 | [diff] [blame] | 21 | * @vdd_handler: a callback function to translate a MMC_VDD_* |
| 22 | * mask into a value to be binary (or set some other custom bits |
| 23 | * in MMCIPWR) or:ed and written into the MMCIPWR register of the |
| 24 | * block. May also control external power based on the power_mode. |
Linus Walleij | 808d97c | 2010-04-08 07:39:38 +0100 | [diff] [blame] | 25 | * @status: if no GPIO read function was given to the block in |
| 26 | * gpio_wp (below) this function will be called to determine |
| 27 | * whether a card is present in the MMC slot or not |
| 28 | * @gpio_wp: read this GPIO pin to see if the card is write protected |
| 29 | * @gpio_cd: read this GPIO pin to detect card insertion |
Rabin Vincent | 2971944 | 2010-08-09 12:54:43 +0100 | [diff] [blame] | 30 | * @cd_invert: true if the gpio_cd pin value is active low |
Linus Walleij | 808d97c | 2010-04-08 07:39:38 +0100 | [diff] [blame] | 31 | * @capabilities: the capabilities of the block as implemented in |
| 32 | * this platform, signify anything MMC_CAP_* from mmc/host.h |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 33 | * @dma_filter: function used to select an appropriate RX and TX |
Russell King | c8ebae3 | 2011-01-11 19:35:53 +0000 | [diff] [blame] | 34 | * DMA channel to be used for DMA, if and only if you're deploying the |
| 35 | * generic DMA engine |
| 36 | * @dma_rx_param: parameter passed to the DMA allocation |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 37 | * filter in order to select an appropriate RX channel. If |
Russell King | c8ebae3 | 2011-01-11 19:35:53 +0000 | [diff] [blame] | 38 | * there is a bidirectional RX+TX channel, then just specify |
| 39 | * this and leave dma_tx_param set to NULL |
| 40 | * @dma_tx_param: parameter passed to the DMA allocation |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 41 | * filter in order to select an appropriate TX channel. If this |
Russell King | c8ebae3 | 2011-01-11 19:35:53 +0000 | [diff] [blame] | 42 | * is NULL the driver will attempt to use the RX channel as a |
| 43 | * bidirectional channel |
Linus Walleij | 808d97c | 2010-04-08 07:39:38 +0100 | [diff] [blame] | 44 | */ |
Linus Walleij | 6ef297f | 2009-09-22 14:29:36 +0100 | [diff] [blame] | 45 | struct mmci_platform_data { |
Linus Walleij | 808d97c | 2010-04-08 07:39:38 +0100 | [diff] [blame] | 46 | unsigned int f_max; |
| 47 | unsigned int ocr_mask; |
Rabin Vincent | bb8f563 | 2010-07-21 12:53:57 +0100 | [diff] [blame] | 48 | u32 (*vdd_handler)(struct device *, unsigned int vdd, |
| 49 | unsigned char power_mode); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | unsigned int (*status)(struct device *); |
Russell King | 7fb2bbf | 2009-07-09 15:15:12 +0100 | [diff] [blame] | 51 | int gpio_wp; |
| 52 | int gpio_cd; |
Rabin Vincent | 2971944 | 2010-08-09 12:54:43 +0100 | [diff] [blame] | 53 | bool cd_invert; |
Linus Walleij | 9e6c82c | 2009-09-14 12:57:11 +0100 | [diff] [blame] | 54 | unsigned long capabilities; |
Russell King | c8ebae3 | 2011-01-11 19:35:53 +0000 | [diff] [blame] | 55 | bool (*dma_filter)(struct dma_chan *chan, void *filter_param); |
| 56 | void *dma_rx_param; |
| 57 | void *dma_tx_param; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | }; |
| 59 | |
| 60 | #endif |