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Diffstat (limited to 'arch/arm/plat-omap/include/plat/omap-serial.h')
-rw-r--r--arch/arm/plat-omap/include/plat/omap-serial.h37
1 files changed, 31 insertions, 6 deletions
diff --git a/arch/arm/plat-omap/include/plat/omap-serial.h b/arch/arm/plat-omap/include/plat/omap-serial.h
index 2682043f5a5..9ff444469f3 100644
--- a/arch/arm/plat-omap/include/plat/omap-serial.h
+++ b/arch/arm/plat-omap/include/plat/omap-serial.h
@@ -19,6 +19,7 @@
#include <linux/serial_core.h>
#include <linux/platform_device.h>
+#include <linux/pm_qos.h>
#include <plat/mux.h>
@@ -33,6 +34,8 @@
#define OMAP_MODE13X_SPEED 230400
+#define OMAP_UART_SCR_TX_EMPTY 0x08
+
/* WER = 0x7F
* Enable module level wakeup in WER reg
*/
@@ -51,18 +54,27 @@
#define OMAP_UART_DMA_CH_FREE -1
-#define RX_TIMEOUT (3 * HZ)
#define OMAP_MAX_HSUART_PORTS 4
#define MSR_SAVE_FLAGS UART_MSR_ANY_DELTA
+#define UART_ERRATA_i202_MDR1_ACCESS BIT(0)
+#define UART_ERRATA_i291_DMA_FORCEIDLE BIT(1)
+
struct omap_uart_port_info {
bool dma_enabled; /* To specify DMA Mode */
unsigned int uartclk; /* UART clock rate */
- void __iomem *membase; /* ioremap cookie or NULL */
- resource_size_t mapbase; /* resource base */
- unsigned long irqflags; /* request_irq flags */
upf_t flags; /* UPF_* flags */
+ u32 errata;
+ unsigned int dma_rx_buf_size;
+ unsigned int dma_rx_timeout;
+ unsigned int autosuspend_timeout;
+ unsigned int dma_rx_poll_rate;
+
+ int (*get_context_loss_count)(struct device *);
+ void (*set_forceidle)(struct platform_device *);
+ void (*set_noidle)(struct platform_device *);
+ void (*enable_wakeup)(struct platform_device *, bool);
};
struct uart_omap_dma {
@@ -86,8 +98,9 @@ struct uart_omap_dma {
spinlock_t rx_lock;
/* timer to poll activity on rx dma */
struct timer_list rx_timer;
- int rx_buf_size;
- int rx_timeout;
+ unsigned int rx_buf_size;
+ unsigned int rx_poll_rate;
+ unsigned int rx_timeout;
};
struct uart_omap_port {
@@ -100,6 +113,10 @@ struct uart_omap_port {
unsigned char mcr;
unsigned char fcr;
unsigned char efr;
+ unsigned char dll;
+ unsigned char dlh;
+ unsigned char mdr1;
+ unsigned char scr;
int use_dma;
/*
@@ -111,6 +128,14 @@ struct uart_omap_port {
unsigned char msr_saved_flags;
char name[20];
unsigned long port_activity;
+ u32 context_loss_cnt;
+ u32 errata;
+ u8 wakeups_enabled;
+
+ struct pm_qos_request pm_qos_request;
+ u32 latency;
+ u32 calc_latency;
+ struct work_struct qos_work;
};
#endif /* __OMAP_SERIAL_H__ */