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1 | #ifndef __LINUX_SERIAL_SCI_H |
2 | #define __LINUX_SERIAL_SCI_H | |
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3 | |
4 | #include <linux/serial_core.h> | |
14baf9d7 | 5 | #include <linux/sh_dma.h> |
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6 | |
7 | /* | |
96de1a8f | 8 | * Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts) |
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9 | */ |
10 | ||
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11 | enum { |
12 | SCBRR_ALGO_1, /* ((clk + 16 * bps) / (16 * bps) - 1) */ | |
13 | SCBRR_ALGO_2, /* ((clk + 16 * bps) / (32 * bps) - 1) */ | |
14 | SCBRR_ALGO_3, /* (((clk * 2) + 16 * bps) / (16 * bps) - 1) */ | |
15 | SCBRR_ALGO_4, /* (((clk * 2) + 16 * bps) / (32 * bps) - 1) */ | |
16 | SCBRR_ALGO_5, /* (((clk * 1000 / 32) / bps) - 1) */ | |
17 | }; | |
18 | ||
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19 | #define SCSCR_TIE (1 << 7) |
20 | #define SCSCR_RIE (1 << 6) | |
21 | #define SCSCR_TE (1 << 5) | |
22 | #define SCSCR_RE (1 << 4) | |
f43dc23d | 23 | #define SCSCR_REIE (1 << 3) /* not supported by all parts */ |
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24 | #define SCSCR_TOIE (1 << 2) /* not supported by all parts */ |
25 | #define SCSCR_CKE1 (1 << 1) | |
26 | #define SCSCR_CKE0 (1 << 0) | |
27 | ||
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28 | /* Offsets into the sci_port->irqs array */ |
29 | enum { | |
30 | SCIx_ERI_IRQ, | |
31 | SCIx_RXI_IRQ, | |
32 | SCIx_TXI_IRQ, | |
33 | SCIx_BRI_IRQ, | |
34 | SCIx_NR_IRQS, | |
35 | }; | |
36 | ||
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37 | struct device; |
38 | ||
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39 | /* |
40 | * Platform device specific platform_data struct | |
41 | */ | |
42 | struct plat_sci_port { | |
43 | void __iomem *membase; /* io cookie */ | |
44 | unsigned long mapbase; /* resource base */ | |
45 | unsigned int irqs[SCIx_NR_IRQS]; /* ERI, RXI, TXI, BRI */ | |
46 | unsigned int type; /* SCI / SCIF / IRDA */ | |
47 | upf_t flags; /* UPF_* flags */ | |
501b825d | 48 | char *clk; /* clock string */ |
00b9de9c | 49 | |
26c92f37 | 50 | unsigned int scbrr_algo_id; /* SCBRR calculation algo */ |
00b9de9c | 51 | unsigned int scscr; /* SCSCR initialization */ |
f43dc23d | 52 | |
73a19e4c | 53 | struct device *dma_dev; |
f43dc23d | 54 | |
04e82ffb | 55 | #ifdef CONFIG_SERIAL_SH_SCI_DMA |
4bab9d42 MD |
56 | unsigned int dma_slave_tx; |
57 | unsigned int dma_slave_rx; | |
04e82ffb | 58 | #endif |
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59 | }; |
60 | ||
96de1a8f | 61 | #endif /* __LINUX_SERIAL_SCI_H */ |