projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 96de1a8f PM |
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 | #define SCIx_IRQ_MUXED(irq) \ |
| 38 | { \ | |
| 39 | [SCIx_ERI_IRQ] = (irq), \ | |
| 40 | [SCIx_RXI_IRQ] = (irq), \ | |
| 41 | [SCIx_TXI_IRQ] = (irq), \ | |
| 42 | [SCIx_BRI_IRQ] = (irq), \ | |
| 43 | } | |
| 44 | ||
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45 | struct device; |
| 46 | ||
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47 | /* |
| 48 | * Platform device specific platform_data struct | |
| 49 | */ | |
| 50 | struct plat_sci_port { | |
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51 | unsigned long mapbase; /* resource base */ |
| 52 | unsigned int irqs[SCIx_NR_IRQS]; /* ERI, RXI, TXI, BRI */ | |
| 53 | unsigned int type; /* SCI / SCIF / IRDA */ | |
| 54 | upf_t flags; /* UPF_* flags */ | |
| 00b9de9c | 55 | |
| 26c92f37 | 56 | unsigned int scbrr_algo_id; /* SCBRR calculation algo */ |
| 00b9de9c | 57 | unsigned int scscr; /* SCSCR initialization */ |
| f43dc23d | 58 | |
| 73a19e4c | 59 | struct device *dma_dev; |
| f43dc23d | 60 | |
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61 | unsigned int dma_slave_tx; |
| 62 | unsigned int dma_slave_rx; | |
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63 | }; |
| 64 | ||
| 96de1a8f | 65 | #endif /* __LINUX_SERIAL_SCI_H */ |