4.104.114.95
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[30abd24] | 1 | /* |
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| 2 | * RTEMS driver for Blackfin UARTs |
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| 3 | * |
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| 4 | * COPYRIGHT (c) 2008 Kallisti Labs, Los Gatos, CA, USA |
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| 5 | * written by Allan Hessenflow <allanh@kallisti.com> |
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| 6 | * |
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| 7 | * The license and distribution terms for this file may be |
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| 8 | * found in the file LICENSE in this distribution or at |
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| 9 | * http://www.rtems.com/license/LICENSE. |
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| 10 | * |
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| 11 | * $Id$ |
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| 12 | */ |
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| 13 | |
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| 14 | #ifndef _uart_h_ |
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| 15 | #define _uart_h_ |
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| 16 | |
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| 17 | |
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| 18 | #ifdef __cplusplus |
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| 19 | extern "C" { |
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| 20 | #endif |
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| 21 | |
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| 22 | |
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| 23 | typedef struct { |
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| 24 | const char *name; |
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| 25 | void *base_address; |
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[39d08d55] | 26 | bool use_interrupts; |
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[30abd24] | 27 | int force_baud; |
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| 28 | /* the following are for internal use */ |
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| 29 | void *termios; |
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| 30 | uint8_t volatile flags; |
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| 31 | } bfin_uart_channel_t; |
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| 32 | |
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| 33 | typedef struct { |
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| 34 | uint32_t freq; |
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| 35 | int num_channels; |
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| 36 | bfin_uart_channel_t *channels; |
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| 37 | } bfin_uart_config_t; |
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| 38 | |
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| 39 | |
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| 40 | char bfin_uart_poll_read(int minor); |
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| 41 | |
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| 42 | void bfin_uart_poll_write(int minor, char c); |
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| 43 | |
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| 44 | rtems_status_code bfin_uart_initialize(rtems_device_major_number major, |
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| 45 | bfin_uart_config_t *config); |
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| 46 | |
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| 47 | rtems_device_driver bfin_uart_open(rtems_device_major_number major, |
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| 48 | rtems_device_minor_number minor, |
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| 49 | void *arg); |
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| 50 | |
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| 51 | void bfin_uart_isr(int source); |
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| 52 | |
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| 53 | |
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| 54 | #ifdef __cplusplus |
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| 55 | } |
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| 56 | #endif |
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| 57 | |
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| 58 | #endif /* _uart_h_ */ |
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| 59 | |
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