| Stephen Street | e0c9905 | 2006-03-07 23:53:24 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2005 Stephen Street / StreetFire Sound Labs |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License as published by |
| 6 | * the Free Software Foundation; either version 2 of the License, or |
| 7 | * (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
| 17 | */ |
| 18 | |
| 19 | #ifndef PXA2XX_SPI_H_ |
| 20 | #define PXA2XX_SPI_H_ |
| 21 | |
| 22 | #define PXA2XX_CS_ASSERT (0x01) |
| 23 | #define PXA2XX_CS_DEASSERT (0x02) |
| 24 | |
| Stephen Street | e0c9905 | 2006-03-07 23:53:24 -0800 | [diff] [blame] | 25 | /* device.platform_data for SSP controller devices */ |
| 26 | struct pxa2xx_spi_master { |
| Stephen Street | e0c9905 | 2006-03-07 23:53:24 -0800 | [diff] [blame] | 27 | u32 clock_enable; |
| 28 | u16 num_chipselect; |
| 29 | u8 enable_dma; |
| 30 | }; |
| 31 | |
| 32 | /* spi_board_info.controller_data for SPI slave devices, |
| 33 | * copied to spi_device.platform_data ... mostly for dma tuning |
| 34 | */ |
| 35 | struct pxa2xx_spi_chip { |
| 36 | u8 tx_threshold; |
| 37 | u8 rx_threshold; |
| 38 | u8 dma_burst_size; |
| Stephen Street | 8d94cc5 | 2006-12-10 02:18:54 -0800 | [diff] [blame] | 39 | u32 timeout; |
| Stephen Street | e0c9905 | 2006-03-07 23:53:24 -0800 | [diff] [blame] | 40 | u8 enable_loopback; |
| 41 | void (*cs_control)(u32 command); |
| 42 | }; |
| 43 | |
| Guennadi Liakhovetski | e172274c | 2008-06-13 09:17:31 +0100 | [diff] [blame] | 44 | extern void pxa2xx_set_spi_info(unsigned id, struct pxa2xx_spi_master *info); |
| 45 | |
| Stephen Street | e0c9905 | 2006-03-07 23:53:24 -0800 | [diff] [blame] | 46 | #endif /*PXA2XX_SPI_H_*/ |