diff options
| author | Deepak Nibade <dnibade@nvidia.com> | 2014-02-07 15:03:01 +0530 |
|---|---|---|
| committer | Terje Bergstrom <tbergstrom@nvidia.com> | 2014-03-19 23:50:26 -0700 |
| commit | 11e6ac327a1e53318b5c21f1c52866642d5cef86 (patch) | |
| tree | f9a5c7b821d4f17aaabc81274aa16e2071cbb16f /drivers/media/platform/soc_camera/tegra_camera/vi2.c | |
| parent | 10f9513b71a305a83bd005c866449b3846f2246c (diff) | |
media: tegra_camera: use dynamic syncpts
- use API nvhost_get_syncpt_client_managed() to get syncpts dynamically
- add new function pointers .init_syncpts() to initialize the syncpts at
probe() time only
Bug 1305024
Change-Id: I6bdaace034b966d8409308fd52f5d2b1507314c1
Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Reviewed-on: http://git-master/r/381958
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Terje Bergstrom <tbergstrom@nvidia.com>
Diffstat (limited to 'drivers/media/platform/soc_camera/tegra_camera/vi2.c')
| -rw-r--r-- | drivers/media/platform/soc_camera/tegra_camera/vi2.c | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/drivers/media/platform/soc_camera/tegra_camera/vi2.c b/drivers/media/platform/soc_camera/tegra_camera/vi2.c index 232340082e06..8fc4618c2546 100644 --- a/drivers/media/platform/soc_camera/tegra_camera/vi2.c +++ b/drivers/media/platform/soc_camera/tegra_camera/vi2.c @@ -29,9 +29,6 @@ #define TEGRA_SYNCPT_CSI_WAIT_TIMEOUT 200 -#define TEGRA_VI_SYNCPT_CSI_A NVSYNCPT_VI_0_3 -#define TEGRA_VI_SYNCPT_CSI_B NVSYNCPT_VI_1_3 - #define TEGRA_VI_CFG_VI_INCR_SYNCPT 0x000 #define TEGRA_VI_CFG_VI_INCR_SYNCPT_CNTRL 0x004 #define TEGRA_VI_CFG_VI_INCR_SYNCPT_ERROR 0x008 @@ -431,26 +428,31 @@ static void vi2_clks_disable(struct tegra_camera_dev *cam) } } +static void vi2_init_syncpts(struct tegra_camera_dev *cam) +{ + cam->syncpt_id_csi_a = nvhost_get_syncpt_client_managed("vi_csi_A"); + + cam->syncpt_id_csi_b = nvhost_get_syncpt_client_managed("vi_csi_B"); +} + static void vi2_save_syncpts(struct tegra_camera_dev *cam) { u32 val; if (!nvhost_syncpt_read_ext_check(cam->ndev, - TEGRA_VI_SYNCPT_CSI_A, &val)) + cam->syncpt_id_csi_a, &val)) cam->syncpt_csi_a = val; if (!nvhost_syncpt_read_ext_check(cam->ndev, - TEGRA_VI_SYNCPT_CSI_B, &val)) + cam->syncpt_id_csi_b, &val)) cam->syncpt_csi_b = val; } static void vi2_incr_syncpts(struct tegra_camera_dev *cam) { - nvhost_syncpt_cpu_incr_ext(cam->ndev, - TEGRA_VI_SYNCPT_CSI_A); + nvhost_syncpt_cpu_incr_ext(cam->ndev, cam->syncpt_id_csi_a); - nvhost_syncpt_cpu_incr_ext(cam->ndev, - TEGRA_VI_SYNCPT_CSI_B); + nvhost_syncpt_cpu_incr_ext(cam->ndev, cam->syncpt_id_csi_b); } static void vi2_capture_clean(struct tegra_camera_dev *cam) @@ -488,7 +490,7 @@ static int vi2_capture_setup_csi_0(struct tegra_camera_dev *cam, /* VI_MWA_REQ_DONE */ TC_VI_REG_WT(cam, TEGRA_VI_CFG_VI_INCR_SYNCPT, - (0x4 << 8) | TEGRA_VI_SYNCPT_CSI_A); + (0x4 << 8) | cam->syncpt_id_csi_a); if (cam->tpg_mode) { TC_VI_REG_WT(cam, TEGRA_CSI_PATTERN_GENERATOR_CTRL_A, @@ -541,7 +543,7 @@ static int vi2_capture_setup_csi_1(struct tegra_camera_dev *cam, /* VI_MWB_REQ_DONE */ TC_VI_REG_WT(cam, TEGRA_VI_CFG_VI_INCR_SYNCPT, - (0x5 << 8) | TEGRA_VI_SYNCPT_CSI_B); + (0x5 << 8) | cam->syncpt_id_csi_b); if (cam->tpg_mode) { TC_VI_REG_WT(cam, TEGRA_CSI_PATTERN_GENERATOR_CTRL_B, @@ -712,7 +714,7 @@ static int vi2_capture_start(struct tegra_camera_dev *cam, 0x0000f005); TC_VI_REG_WT(cam, TEGRA_VI_CSI_0_SINGLE_SHOT, 0x1); err = nvhost_syncpt_wait_timeout_ext(cam->ndev, - TEGRA_VI_SYNCPT_CSI_A, + cam->syncpt_id_csi_a, cam->syncpt_csi_a, TEGRA_SYNCPT_CSI_WAIT_TIMEOUT, NULL, @@ -723,7 +725,7 @@ static int vi2_capture_start(struct tegra_camera_dev *cam, 0x0000f005); TC_VI_REG_WT(cam, TEGRA_VI_CSI_1_SINGLE_SHOT, 0x1); err = nvhost_syncpt_wait_timeout_ext(cam->ndev, - TEGRA_VI_SYNCPT_CSI_B, + cam->syncpt_id_csi_b, cam->syncpt_csi_b, TEGRA_SYNCPT_CSI_WAIT_TIMEOUT, NULL, @@ -799,6 +801,7 @@ struct tegra_camera_ops vi2_ops = { .activate = vi2_sw_reset, + .init_syncpts = vi2_init_syncpts, .save_syncpts = vi2_save_syncpts, .incr_syncpts = vi2_incr_syncpts, |