diff options
Diffstat (limited to 'sound/soc/blackfin/bf6xx-sport.h')
-rw-r--r-- | sound/soc/blackfin/bf6xx-sport.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/sound/soc/blackfin/bf6xx-sport.h b/sound/soc/blackfin/bf6xx-sport.h new file mode 100644 index 000000000000..307d193cfcef --- /dev/null +++ b/sound/soc/blackfin/bf6xx-sport.h | |||
@@ -0,0 +1,82 @@ | |||
1 | /* | ||
2 | * bf6xx_sport - Analog Devices BF6XX SPORT driver | ||
3 | * | ||
4 | * Copyright (c) 2012 Analog Devices Inc. | ||
5 | * | ||
6 | * This program is free software; you can redistribute it and/or modify | ||
7 | * it under the terms of the GNU General Public License version 2 as | ||
8 | * published by the Free Software Foundation. | ||
9 | * | ||
10 | * This program is distributed in the hope that it will be useful, | ||
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | * GNU General Public License for more details. | ||
14 | * | ||
15 | * You should have received a copy of the GNU General Public License | ||
16 | * along with this program; if not, write to the Free Software | ||
17 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
18 | */ | ||
19 | |||
20 | #ifndef _BF6XX_SPORT_H_ | ||
21 | #define _BF6XX_SPORT_H_ | ||
22 | |||
23 | #include <linux/platform_device.h> | ||
24 | #include <asm/bfin_sport3.h> | ||
25 | |||
26 | struct sport_device { | ||
27 | struct platform_device *pdev; | ||
28 | const unsigned short *pin_req; | ||
29 | struct sport_register *tx_regs; | ||
30 | struct sport_register *rx_regs; | ||
31 | int tx_dma_chan; | ||
32 | int rx_dma_chan; | ||
33 | int tx_err_irq; | ||
34 | int rx_err_irq; | ||
35 | |||
36 | void (*tx_callback)(void *data); | ||
37 | void *tx_data; | ||
38 | void (*rx_callback)(void *data); | ||
39 | void *rx_data; | ||
40 | |||
41 | struct dmasg *tx_desc; | ||
42 | struct dmasg *rx_desc; | ||
43 | unsigned int tx_desc_size; | ||
44 | unsigned int rx_desc_size; | ||
45 | unsigned char *tx_buf; | ||
46 | unsigned char *rx_buf; | ||
47 | unsigned int tx_fragsize; | ||
48 | unsigned int rx_fragsize; | ||
49 | unsigned int tx_frags; | ||
50 | unsigned int rx_frags; | ||
51 | unsigned int wdsize; | ||
52 | }; | ||
53 | |||
54 | struct sport_params { | ||
55 | u32 spctl; | ||
56 | u32 div; | ||
57 | }; | ||
58 | |||
59 | struct sport_device *sport_create(struct platform_device *pdev); | ||
60 | void sport_delete(struct sport_device *sport); | ||
61 | int sport_set_tx_params(struct sport_device *sport, | ||
62 | struct sport_params *params); | ||
63 | int sport_set_rx_params(struct sport_device *sport, | ||
64 | struct sport_params *params); | ||
65 | void sport_tx_start(struct sport_device *sport); | ||
66 | void sport_rx_start(struct sport_device *sport); | ||
67 | void sport_tx_stop(struct sport_device *sport); | ||
68 | void sport_rx_stop(struct sport_device *sport); | ||
69 | void sport_set_tx_callback(struct sport_device *sport, | ||
70 | void (*tx_callback)(void *), void *tx_data); | ||
71 | void sport_set_rx_callback(struct sport_device *sport, | ||
72 | void (*rx_callback)(void *), void *rx_data); | ||
73 | int sport_config_tx_dma(struct sport_device *sport, void *buf, | ||
74 | int fragcount, size_t fragsize); | ||
75 | int sport_config_rx_dma(struct sport_device *sport, void *buf, | ||
76 | int fragcount, size_t fragsize); | ||
77 | unsigned long sport_curr_offset_tx(struct sport_device *sport); | ||
78 | unsigned long sport_curr_offset_rx(struct sport_device *sport); | ||
79 | |||
80 | |||
81 | |||
82 | #endif | ||