1 #ifndef __HAL_LEDC_H
2 #define __HAL_LEDC_H
3 
4 #include "sunxi_hal_common.h"
5 #include "ledc/platform_ledc.h"
6 #include "ledc/common_ledc.h"
7 
8 #ifdef __cplusplus
9 extern "C" {
10 #endif
11 
12 #define SUNXI_LEDC_FIFO_DEPTH 32
13 
14 enum ledc_output_mode_val {
15     LEDC_OUTPUT_GRB = 0 << 6,
16     LEDC_OUTPUT_GBR = 1 << 6,
17     LEDC_OUTPUT_RGB = 2 << 6,
18     LEDC_OUTPUT_RBG = 3 << 6,
19     LEDC_OUTPUT_BGR = 4 << 6,
20     LEDC_OUTPUT_BRG = 5 << 6
21 };
22 
23 enum {
24     DEBUG_INIT    = 1U << 0,
25     DEBUG_SUSPEND = 1U << 1,
26     DEBUG_INFO    = 1U << 2,
27     DEBUG_INFO1   = 1U << 3,
28     DEBUG_INFO2   = 1U << 4,
29 };
30 
31 struct ledc_config {
32     unsigned int led_count;
33     unsigned int reset_ns;
34     unsigned int t1h_ns;
35     unsigned int t1l_ns;
36     unsigned int t0h_ns;
37     unsigned int t0l_ns;
38     unsigned int wait_time0_ns;
39     unsigned long long wait_time1_ns;
40     unsigned int wait_data_time_ns;
41     char *output_mode;
42     unsigned int *data;
43     unsigned int length;
44 };
45 
46 enum ledc_irq_ctrl_reg {
47     LEDC_TRANS_FINISH_INT_EN     = (1 << 0),
48     LEDC_FIFO_CPUREQ_INT_EN      = (1 << 1),
49     LEDC_WAITDATA_TIMEOUT_INT_EN = (1 << 3),
50     LEDC_FIFO_OVERFLOW_INT_EN    = (1 << 4),
51     LEDC_GLOBAL_INT_EN           = (1 << 5),
52 };
53 
54 enum ledc_irq_status_reg {
55     LEDC_TRANS_FINISH_INT     = (1 << 0),
56     LEDC_FIFO_CPUREQ_INT      = (1 << 1),
57     LEDC_WAITDATA_TIMEOUT_INT = (1 << 3),
58     LEDC_FIFO_OVERFLOW_INT    = (1 << 4),
59     LEDC_FIFO_FULL            = (1 << 16),
60     LEDC_FIFO_EMPTY           = (1 << 17),
61 };
62 
63 
64 void hal_ledc_init(void);
65 void hal_ledc_deinit(void);
66 void hal_ledc_trans_data(struct ledc_config *ledc);
67 void hal_ledc_clear_all_irq(void);
68 unsigned int hal_ledc_get_irq_status(void);
69 void hal_ledc_dma_callback(void *para);
70 void hal_ledc_reset(void);
71 
72 #ifdef __cplusplus
73 }
74 #endif
75 
76 #endif
77