xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge branch 'common/serial-rework' into sh-latest

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This commit is contained in:
Paul Mundt
2011-06-15 18:03:58 +09:00
parent 201fbceb25 4b8c59a3d8
commit 1f83812d61
26 changed files with 632 additions and 674 deletions
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68
include/linux/serial_sci.h
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@@ -8,6 +8,8 @@
* Generic header for SuperH SCI(F) (used by sh/sh64/h8300 and related parts)
*/
#define SCIx_NOT_SUPPORTED (-1)
enum {
SCBRR_ALGO_1, /* ((clk + 16 * bps) / (16 * bps) - 1) */
SCBRR_ALGO_2, /* ((clk + 16 * bps) / (32 * bps) - 1) */
@@ -25,6 +27,28 @@ enum {
#define SCSCR_CKE1 (1 << 1)
#define SCSCR_CKE0 (1 << 0)
/* SCxSR SCI */
#define SCI_TDRE 0x80
#define SCI_RDRF 0x40
#define SCI_ORER 0x20
#define SCI_FER 0x10
#define SCI_PER 0x08
#define SCI_TEND 0x04
#define SCI_DEFAULT_ERROR_MASK (SCI_PER | SCI_FER)
/* SCxSR SCIF */
#define SCIF_ER 0x0080
#define SCIF_TEND 0x0040
#define SCIF_TDFE 0x0020
#define SCIF_BRK 0x0010
#define SCIF_FER 0x0008
#define SCIF_PER 0x0004
#define SCIF_RDF 0x0002
#define SCIF_DR 0x0001
#define SCIF_DEFAULT_ERROR_MASK (SCIF_PER | SCIF_FER | SCIF_ER | SCIF_BRK)
/* Offsets into the sci_port->irqs array */
enum {
SCIx_ERI_IRQ,
@@ -34,6 +58,22 @@ enum {
SCIx_NR_IRQS,
};
enum {
SCIx_PROBE_REGTYPE,
SCIx_SCI_REGTYPE,
SCIx_IRDA_REGTYPE,
SCIx_SCIFA_REGTYPE,
SCIx_SCIFB_REGTYPE,
SCIx_SH3_SCIF_REGTYPE,
SCIx_SH4_SCIF_REGTYPE,
SCIx_SH4_SCIF_NO_SCSPTR_REGTYPE,
SCIx_SH4_SCIF_FIFODATA_REGTYPE,
SCIx_SH7705_SCIF_REGTYPE,
SCIx_NR_REGTYPES,
};
#define SCIx_IRQ_MUXED(irq) \
{ \
[SCIx_ERI_IRQ] = (irq), \
@@ -42,8 +82,24 @@ enum {
[SCIx_BRI_IRQ] = (irq), \
}
/*
* SCI register subset common for all port types.
* Not all registers will exist on all parts.
*/
enum {
SCSMR, SCBRR, SCSCR, SCxSR,
SCFCR, SCFDR, SCxTDR, SCxRDR,
SCLSR, SCTFDR, SCRFDR, SCSPTR,
SCIx_NR_REGS,
};
struct device;
struct plat_sci_port_ops {
void (*init_pins)(struct uart_port *, unsigned int cflag);
};
/*
* Platform device specific platform_data struct
*/
@@ -56,6 +112,18 @@ struct plat_sci_port {
unsigned int scbrr_algo_id; /* SCBRR calculation algo */
unsigned int scscr; /* SCSCR initialization */
/*
* Platform overrides if necessary, defaults otherwise.
*/
int overrun_bit;
unsigned int error_mask;
int port_reg;
unsigned char regshift;
unsigned char regtype;
struct plat_sci_port_ops *ops;
struct device *dma_dev;
unsigned int dma_slave_tx;