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> |
San Mehat | e01587a | 2008-04-14 15:22:49 -0700 | [diff] [blame] | 8 | #include <linux/mmc/card.h> |
| 9 | #include <linux/mmc/sdio_func.h> |
| 10 | |
| 11 | struct embedded_sdio_data { |
| 12 | struct sdio_cis cis; |
| 13 | struct sdio_cccr cccr; |
| 14 | struct sdio_embedded_func *funcs; |
| 15 | int num_funcs; |
| 16 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | |
Ulf Hansson | 4d1a3a0 | 2011-12-13 16:57:07 +0100 | [diff] [blame] | 18 | |
| 19 | /* |
| 20 | * These defines is places here due to access is needed from machine |
| 21 | * configuration files. The ST Micro version does not have ROD and |
| 22 | * reuse the voltage registers for direction settings. |
| 23 | */ |
| 24 | #define MCI_ST_DATA2DIREN (1 << 2) |
| 25 | #define MCI_ST_CMDDIREN (1 << 3) |
| 26 | #define MCI_ST_DATA0DIREN (1 << 4) |
| 27 | #define MCI_ST_DATA31DIREN (1 << 5) |
| 28 | #define MCI_ST_FBCLKEN (1 << 7) |
| 29 | #define MCI_ST_DATA74DIREN (1 << 8) |
| 30 | |
Russell King | c8ebae3 | 2011-01-11 19:35:53 +0000 | [diff] [blame] | 31 | /* Just some dummy forwarding */ |
| 32 | struct dma_chan; |
| 33 | |
Linus Walleij | 808d97c | 2010-04-08 07:39:38 +0100 | [diff] [blame] | 34 | /** |
| 35 | * struct mmci_platform_data - platform configuration for the MMCI |
| 36 | * (also known as PL180) block. |
| 37 | * @f_max: the maximum operational frequency for this host in this |
| 38 | * platform configuration. When this is specified it takes precedence |
| 39 | * over the module parameter for the same frequency. |
| 40 | * @ocr_mask: available voltages on the 4 pins from the block, this |
| 41 | * is ignored if a regulator is used, see the MMC_VDD_* masks in |
| 42 | * mmc/host.h |
Ulf Hansson | bc52181 | 2011-12-13 16:57:55 +0100 | [diff] [blame] | 43 | * @ios_handler: a callback function to act on specfic ios changes, |
| 44 | * used for example to control a levelshifter |
Rabin Vincent | bb8f563 | 2010-07-21 12:53:57 +0100 | [diff] [blame] | 45 | * mask into a value to be binary (or set some other custom bits |
| 46 | * in MMCIPWR) or:ed and written into the MMCIPWR register of the |
| 47 | * block. May also control external power based on the power_mode. |
Linus Walleij | 808d97c | 2010-04-08 07:39:38 +0100 | [diff] [blame] | 48 | * @status: if no GPIO read function was given to the block in |
| 49 | * gpio_wp (below) this function will be called to determine |
| 50 | * whether a card is present in the MMC slot or not |
| 51 | * @gpio_wp: read this GPIO pin to see if the card is write protected |
| 52 | * @gpio_cd: read this GPIO pin to detect card insertion |
Rabin Vincent | 2971944 | 2010-08-09 12:54:43 +0100 | [diff] [blame] | 53 | * @cd_invert: true if the gpio_cd pin value is active low |
Linus Walleij | 808d97c | 2010-04-08 07:39:38 +0100 | [diff] [blame] | 54 | * @capabilities: the capabilities of the block as implemented in |
| 55 | * this platform, signify anything MMC_CAP_* from mmc/host.h |
Per Forlin | 5a09262 | 2011-11-14 12:02:28 +0100 | [diff] [blame] | 56 | * @capabilities2: more capabilities, MMC_CAP2_* from mmc/host.h |
Ulf Hansson | 4d1a3a0 | 2011-12-13 16:57:07 +0100 | [diff] [blame] | 57 | * @sigdir: a bit field indicating for what bits in the MMC bus the host |
| 58 | * should enable signal direction indication. |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 59 | * @dma_filter: function used to select an appropriate RX and TX |
Russell King | c8ebae3 | 2011-01-11 19:35:53 +0000 | [diff] [blame] | 60 | * DMA channel to be used for DMA, if and only if you're deploying the |
| 61 | * generic DMA engine |
| 62 | * @dma_rx_param: parameter passed to the DMA allocation |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 63 | * filter in order to select an appropriate RX channel. If |
Russell King | c8ebae3 | 2011-01-11 19:35:53 +0000 | [diff] [blame] | 64 | * there is a bidirectional RX+TX channel, then just specify |
| 65 | * this and leave dma_tx_param set to NULL |
| 66 | * @dma_tx_param: parameter passed to the DMA allocation |
Lucas De Marchi | 25985ed | 2011-03-30 22:57:33 -0300 | [diff] [blame] | 67 | * filter in order to select an appropriate TX channel. If this |
Russell King | c8ebae3 | 2011-01-11 19:35:53 +0000 | [diff] [blame] | 68 | * is NULL the driver will attempt to use the RX channel as a |
| 69 | * bidirectional channel |
Linus Walleij | 808d97c | 2010-04-08 07:39:38 +0100 | [diff] [blame] | 70 | */ |
Linus Walleij | 6ef297f | 2009-09-22 14:29:36 +0100 | [diff] [blame] | 71 | struct mmci_platform_data { |
Linus Walleij | 808d97c | 2010-04-08 07:39:38 +0100 | [diff] [blame] | 72 | unsigned int f_max; |
| 73 | unsigned int ocr_mask; |
Ulf Hansson | bc52181 | 2011-12-13 16:57:55 +0100 | [diff] [blame] | 74 | int (*ios_handler)(struct device *, struct mmc_ios *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | unsigned int (*status)(struct device *); |
Russell King | 7fb2bbf | 2009-07-09 15:15:12 +0100 | [diff] [blame] | 76 | int gpio_wp; |
| 77 | int gpio_cd; |
Rabin Vincent | 2971944 | 2010-08-09 12:54:43 +0100 | [diff] [blame] | 78 | bool cd_invert; |
Linus Walleij | 9e6c82c | 2009-09-14 12:57:11 +0100 | [diff] [blame] | 79 | unsigned long capabilities; |
Per Forlin | 5a09262 | 2011-11-14 12:02:28 +0100 | [diff] [blame] | 80 | unsigned long capabilities2; |
Ulf Hansson | 4d1a3a0 | 2011-12-13 16:57:07 +0100 | [diff] [blame] | 81 | u32 sigdir; |
Russell King | c8ebae3 | 2011-01-11 19:35:53 +0000 | [diff] [blame] | 82 | bool (*dma_filter)(struct dma_chan *chan, void *filter_param); |
| 83 | void *dma_rx_param; |
| 84 | void *dma_tx_param; |
San Mehat | 4714774 | 2008-11-10 16:29:50 -0800 | [diff] [blame] | 85 | unsigned int status_irq; |
San Mehat | e01587a | 2008-04-14 15:22:49 -0700 | [diff] [blame] | 86 | struct embedded_sdio_data *embedded_sdio; |
San Mehat | 4714774 | 2008-11-10 16:29:50 -0800 | [diff] [blame] | 87 | int (*register_status_notify)(void (*callback)(int card_present, void *dev_id), void *dev_id); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 88 | }; |
| 89 | |
| 90 | #endif |