diff options
Diffstat (limited to 'drivers/staging/westbridge/astoria/include/linux/westbridge/cyasstorage.h')
| -rw-r--r-- | drivers/staging/westbridge/astoria/include/linux/westbridge/cyasstorage.h | 64 |
1 files changed, 57 insertions, 7 deletions
diff --git a/drivers/staging/westbridge/astoria/include/linux/westbridge/cyasstorage.h b/drivers/staging/westbridge/astoria/include/linux/westbridge/cyasstorage.h index 52b93c3..6e3d4a8 100644 --- a/drivers/staging/westbridge/astoria/include/linux/westbridge/cyasstorage.h +++ b/drivers/staging/westbridge/astoria/include/linux/westbridge/cyasstorage.h @@ -1219,7 +1219,7 @@ cy_as_storage_query_device( /* Handle to the device of interest */ cy_as_device_handle handle, /* Parameters and return value for the query call */ - cy_as_storage_query_device_data *data, + cy_as_storage_query_device_data * data, /* Callback to be called when the operation is complete */ cy_as_function_callback cb, /* Client data to be passed to the callback */ @@ -1288,7 +1288,7 @@ cy_as_storage_query_unit( to be instructed to disable the card detect feature. Also, if the hardware design does not use the SD_WP GPIO of the West Bridge to handle SD card's write protect notch, the handling - of write protection if firmware should be disabled. This API + of write protection if firmware should be disabled. This AP is used to enable/disable the card detect and write protect support in West Bridge firmware. @@ -1432,7 +1432,7 @@ cy_as_storage_read( Notes If the Samsung CEATA drive is the target for a read/write operation, the maximum - number of sectors that can be accessed through a single API + number of sectors that can be accessed through a single AP call is limited to 2047. Longer accesses addressed to a Samsung CEATA drive can result in time-out errors. @@ -1585,7 +1585,7 @@ cy_as_storage_write( Notes If the Samsung CEATA drive is the target for a read/write operation, the maximum - number of sectors that can be accessed through a single API + number of sectors that can be accessed through a single AP call is limited to 2047. Longer accesses addressed to a Samsung CEATA drive can result in time-out errors. @@ -1887,7 +1887,7 @@ cy_as_storage_get_transfer_amount( /* Device number of interest */ uint32_t device, /* Return value containing read/write sector counts. */ - cy_as_m_s_c_progress_data *data_p, + cy_as_m_s_c_progress_data * data_p, /* Callback in case of async call */ cy_as_function_callback cb, /* Client context to pass to the callback */ @@ -2059,7 +2059,7 @@ cy_as_sdio_query_card( /* Device number */ uint32_t device, /* Buffer to store card properties */ - cy_as_sdio_card *data_p + cy_as_sdio_card * data_p ); /* Summary @@ -2534,7 +2534,7 @@ cy_as_sdio_query_function( /* IO function Number */ uint8_t n_function_no, /* Buffer to store function properties */ - cy_as_sdio_func *data_p + cy_as_sdio_func * data_p ); /* Summary @@ -2749,7 +2749,57 @@ cy_as_sdio_resume( uint8_t *data_p ); +/* Summary + Change the operating clock frequency on the SD port. + + Description + This function is used to dynamically change the operating clock + frequency on the SD/MMC port(s) of the West Bridge device. This + function should only be used in consultation with Cypress support, + as setting random clock values can cause errors. + + The device firmware does not remember the clock value specified, + and will only make an instantaneous change to the frequency. If + the SD/MMC card has to be re-initialized due to a remove/insert + event or due to an access error, the frequency will be changed + back to the default value. + * Valid in Asynchronous Callback: Yes + * Valid on Antioch device: Yes + + Returns + * CY_AS_ERROR_SUCCESS - the media information was returned + * CY_AS_ERROR_INVALID_HANDLE - an invalid handle was passed in + * CY_AS_ERROR_NOT_CONFIGURED - the West Bridge device has not + been configured + * CY_AS_ERROR_NO_FIRMWARE - the firmware has not been loaded + into West Bridge + * CY_AS_ERROR_NOT_RUNNING - the storage stack has not been + started + * CY_AS_ERROR_IN_SUSPEND - the West Bridge device is in suspend mode + * CY_AS_ERROR_TIMEOUT - a timeout occurred communicating with the + West Bridge device + * CY_AS_ERROR_OUT_OF_MEMORY - insufficient memory available + * CY_AS_ERROR_INVALID_RESPONSE - an error message was recieved from + the firmware +*/ +cy_as_return_status_t +cy_as_storage_change_sd_frequency ( + /* Handle to the West Bridge device. */ + cy_as_device_handle handle, + /* Target bus number on which to make the change. */ + cy_as_bus_number_t bus, + /* Clock source setting (can be 0x03, 0x01 or 0x11). */ + uint8_t clk_source, + /* Factor by which to divide the source clock. The caller + should make sure that the effective clock speed is + greater than or equal to 5 MHz. */ + uint8_t clk_divider, + /* Callback function to call on completion. */ + cy_as_function_callback cb, + /* Client data to send to the callback. */ + uint32_t client + ); /* For supporting deprecated functions */ #include "cyasstorage_dep.h" |