diff options
Diffstat (limited to 'drivers/hsi/controllers/omap_ssi.h')
| -rw-r--r-- | drivers/hsi/controllers/omap_ssi.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/hsi/controllers/omap_ssi.h b/drivers/hsi/controllers/omap_ssi.h index 7b4dec2c69ff..32ced0c8f789 100644 --- a/drivers/hsi/controllers/omap_ssi.h +++ b/drivers/hsi/controllers/omap_ssi.h @@ -35,6 +35,8 @@ #define SSI_MAX_GDD_LCH 8 #define SSI_BYTES_TO_FRAMES(x) ((((x) - 1) >> 2) + 1) +#define SSI_WAKE_EN 0 + /** * struct omap_ssm_ctx - OMAP synchronous serial module (TX/RX) context * @mode: Bit transmission mode @@ -71,13 +73,14 @@ struct omap_ssm_ctx { * @txqueue: TX message queues * @rxqueue: RX message queues * @brkqueue: Queue of incoming HWBREAK requests (FRAME mode) + * @errqueue: Queue for failed messages + * @errqueue_work: Delayed Work for failed messages * @irq: IRQ number * @wake_irq: IRQ number for incoming wake line (-1 if none) * @wake_gpio: GPIO number for incoming wake line (-1 if none) - * @pio_tasklet: Bottom half for PIO transfers and events - * @wake_tasklet: Bottom half for incoming wake events - * @wkin_cken: Keep track of clock references due to the incoming wake line + * @flags: flags to keep track of states * @wk_refcount: Reference count for output wake line + * @work: worker for starting TX * @sys_mpu_enable: Context for the interrupt enable register for irq 0 * @sst: Context for the synchronous serial transmitter * @ssr: Context for the synchronous serial receiver @@ -95,14 +98,15 @@ struct omap_ssi_port { struct list_head txqueue[SSI_MAX_CHANNELS]; struct list_head rxqueue[SSI_MAX_CHANNELS]; struct list_head brkqueue; + struct list_head errqueue; + struct delayed_work errqueue_work; unsigned int irq; int wake_irq; struct gpio_desc *wake_gpio; - struct tasklet_struct pio_tasklet; - struct tasklet_struct wake_tasklet; bool wktest:1; /* FIXME: HACK to be removed */ - bool wkin_cken:1; /* Workaround */ + unsigned long flags; unsigned int wk_refcount; + struct work_struct work; /* OMAP SSI port context */ u32 sys_mpu_enable; /* We use only one irq */ struct omap_ssm_ctx sst; @@ -138,7 +142,6 @@ struct gdd_trn { * @fck_rate: clock rate * @loss_count: To follow if we need to restore context or not * @max_speed: Maximum TX speed (Kb/s) set by the clients. - * @sysconfig: SSI controller saved context * @gdd_gcr: SSI GDD saved context * @get_loss: Pointer to omap_pm_get_dev_context_loss_count, if any * @port: Array of pointers of the ports of the controller @@ -158,7 +161,6 @@ struct omap_ssi_controller { u32 loss_count; u32 max_speed; /* OMAP SSI Controller context */ - u32 sysconfig; u32 gdd_gcr; int (*get_loss)(struct device *dev); struct omap_ssi_port **port; |