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| author |   Sylwester Nawrocki <s.nawrocki@samsung.com> | 2010-12-27 15:34:43 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-03-21 20:31:39 -0300 |
| commit | a25be18dfb6e1b172498a9f6c9793d67057000b0 (patch) | |
| tree | c824969740de62c2ddc9e80bc689d72ff73ae1a9 /drivers/media/video/s5p-fimc/fimc-core.h | |
| parent | [media] s5p-fimc: Enable simultaneous rotation and flipping (diff) | |
| download | linux-dev-a25be18dfb6e1b172498a9f6c9793d67057000b0.tar.xz linux-dev-a25be18dfb6e1b172498a9f6c9793d67057000b0.zip | |
[media] s5p-fimc: Add control of the external sensor clock
Manage the camera sensor clock in the host driver rather than
leaving this task for sensor drivers. The clock frequency
must be passed in the sensor's and host driver's platform data.
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/s5p-fimc/fimc-core.h')
| -rw-r--r-- | drivers/media/video/s5p-fimc/fimc-core.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/drivers/media/video/s5p-fimc/fimc-core.h b/drivers/media/video/s5p-fimc/fimc-core.h index b23d492796e9..1c6aa6924550 100644 --- a/drivers/media/video/s5p-fimc/fimc-core.h +++ b/drivers/media/video/s5p-fimc/fimc-core.h @@ -37,7 +37,7 @@ /* Time to wait for next frame VSYNC interrupt while stopping operation. */ #define FIMC_SHUTDOWN_TIMEOUT ((100*HZ)/1000) -#define NUM_FIMC_CLOCKS 2 +#define MAX_FIMC_CLOCKS 3 #define MODULE_NAME "s5p-fimc" #define FIMC_MAX_DEVS 4 #define FIMC_MAX_OUT_BUFS 4 @@ -45,7 +45,13 @@ #define SCALER_MAX_VRATIO 64 #define DMA_MIN_SIZE 8 -/* FIMC device state flags */ +/* indices to the clocks array */ +enum { + CLK_BUS, + CLK_GATE, + CLK_CAM, +}; + enum fimc_dev_flags { /* for m2m node */ ST_IDLE, @@ -407,7 +413,8 @@ struct fimc_ctx; * @lock: the mutex protecting this data structure * @pdev: pointer to the FIMC platform device * @pdata: pointer to the device platform data - * @id: FIMC device index (0..2) + * @id: FIMC device index (0..FIMC_MAX_DEVS) + * @num_clocks: the number of clocks managed by this device instance * @clock[]: the clocks required for FIMC operation * @regs: the mapped hardware registers * @regs_res: the resource claimed for IO registers @@ -423,8 +430,9 @@ struct fimc_dev { struct platform_device *pdev; struct s5p_platform_fimc *pdata; struct samsung_fimc_variant *variant; - int id; - struct clk *clock[NUM_FIMC_CLOCKS]; + u16 id; + u16 num_clocks; + struct clk *clock[MAX_FIMC_CLOCKS]; void __iomem *regs; struct resource *regs_res; int irq; |