This source file includes following definitions.
- sof_io_write
- sof_io_read
- sof_io_write64
- sof_io_read64
- sof_mailbox_write
- sof_mailbox_read
- sof_block_write
- sof_block_read
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11 #include <linux/io-64-nonatomic-lo-hi.h>
12 #include <linux/platform_device.h>
13 #include <sound/soc.h>
14 #include <sound/sof.h>
15 #include "sof-priv.h"
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24 void sof_io_write(struct snd_sof_dev *sdev, void __iomem *addr, u32 value)
25 {
26 writel(value, addr);
27 }
28 EXPORT_SYMBOL(sof_io_write);
29
30 u32 sof_io_read(struct snd_sof_dev *sdev, void __iomem *addr)
31 {
32 return readl(addr);
33 }
34 EXPORT_SYMBOL(sof_io_read);
35
36 void sof_io_write64(struct snd_sof_dev *sdev, void __iomem *addr, u64 value)
37 {
38 writeq(value, addr);
39 }
40 EXPORT_SYMBOL(sof_io_write64);
41
42 u64 sof_io_read64(struct snd_sof_dev *sdev, void __iomem *addr)
43 {
44 return readq(addr);
45 }
46 EXPORT_SYMBOL(sof_io_read64);
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52 void sof_mailbox_write(struct snd_sof_dev *sdev, u32 offset,
53 void *message, size_t bytes)
54 {
55 void __iomem *dest = sdev->bar[sdev->mailbox_bar] + offset;
56
57 memcpy_toio(dest, message, bytes);
58 }
59 EXPORT_SYMBOL(sof_mailbox_write);
60
61 void sof_mailbox_read(struct snd_sof_dev *sdev, u32 offset,
62 void *message, size_t bytes)
63 {
64 void __iomem *src = sdev->bar[sdev->mailbox_bar] + offset;
65
66 memcpy_fromio(message, src, bytes);
67 }
68 EXPORT_SYMBOL(sof_mailbox_read);
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74 void sof_block_write(struct snd_sof_dev *sdev, u32 bar, u32 offset, void *src,
75 size_t size)
76 {
77 void __iomem *dest = sdev->bar[bar] + offset;
78 const u8 *src_byte = src;
79 u32 affected_mask;
80 u32 tmp;
81 int m, n;
82
83 m = size / 4;
84 n = size % 4;
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87 __iowrite32_copy(dest, src, m);
88
89 if (n) {
90 affected_mask = (1 << (8 * n)) - 1;
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96 tmp = ioread32(dest + m * 4);
97 tmp &= ~affected_mask;
98
99 tmp |= *(u32 *)(src_byte + m * 4) & affected_mask;
100 iowrite32(tmp, dest + m * 4);
101 }
102 }
103 EXPORT_SYMBOL(sof_block_write);
104
105 void sof_block_read(struct snd_sof_dev *sdev, u32 bar, u32 offset, void *dest,
106 size_t size)
107 {
108 void __iomem *src = sdev->bar[bar] + offset;
109
110 memcpy_fromio(dest, src, size);
111 }
112 EXPORT_SYMBOL(sof_block_read);