diff options
| author | Stanimir Varbanov <stanimir.varbanov@linaro.org> | 2018-07-05 09:03:45 -0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-07-25 08:47:01 -0400 |
| commit | aa3a8414ccea5b9412419db11f5d76ae9a4997a4 (patch) | |
| tree | da5bb877f611bf42bbec7750d86ac9f54607cb54 /drivers/media/platform/qcom/venus/helpers.c | |
| parent | 17cd3d1d2e5249c58510b0c8689c45cacc201480 (diff) | |
media: venus: core, helpers: add two more clocks found in Venus 4xx
Add two more clocks for Venus 4xx in core structure and create
a new power enable function to handle it for 3xx/4xx versions.
Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org>
Reviewed-by: Tomasz Figa <tfiga@chromium.org>
Reviewed-by: Alexandre Courbot <acourbot@chromium.org>
Tested-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/platform/qcom/venus/helpers.c')
| -rw-r--r-- | drivers/media/platform/qcom/venus/helpers.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/media/platform/qcom/venus/helpers.c b/drivers/media/platform/qcom/venus/helpers.c index a08ecd263e73..c8c4a4be78e3 100644 --- a/drivers/media/platform/qcom/venus/helpers.c +++ b/drivers/media/platform/qcom/venus/helpers.c @@ -13,6 +13,7 @@ * */ #include <linux/clk.h> +#include <linux/iopoll.h> #include <linux/list.h> #include <linux/mutex.h> #include <linux/pm_runtime.h> @@ -24,6 +25,7 @@ #include "core.h" #include "helpers.h" #include "hfi_helper.h" +#include "hfi_venus_io.h" struct intbuf { struct list_head list; @@ -786,3 +788,52 @@ void venus_helper_init_instance(struct venus_inst *inst) } } EXPORT_SYMBOL_GPL(venus_helper_init_instance); + +int venus_helper_power_enable(struct venus_core *core, u32 session_type, + bool enable) +{ + void __iomem *ctrl, *stat; + u32 val; + int ret; + + if (!IS_V3(core) && !IS_V4(core)) + return 0; + + if (IS_V3(core)) { + if (session_type == VIDC_SESSION_TYPE_DEC) + ctrl = core->base + WRAPPER_VDEC_VCODEC_POWER_CONTROL; + else + ctrl = core->base + WRAPPER_VENC_VCODEC_POWER_CONTROL; + if (enable) + writel(0, ctrl); + else + writel(1, ctrl); + + return 0; + } + + if (session_type == VIDC_SESSION_TYPE_DEC) { + ctrl = core->base + WRAPPER_VCODEC0_MMCC_POWER_CONTROL; + stat = core->base + WRAPPER_VCODEC0_MMCC_POWER_STATUS; + } else { + ctrl = core->base + WRAPPER_VCODEC1_MMCC_POWER_CONTROL; + stat = core->base + WRAPPER_VCODEC1_MMCC_POWER_STATUS; + } + + if (enable) { + writel(0, ctrl); + + ret = readl_poll_timeout(stat, val, val & BIT(1), 1, 100); + if (ret) + return ret; + } else { + writel(1, ctrl); + + ret = readl_poll_timeout(stat, val, !(val & BIT(1)), 1, 100); + if (ret) + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(venus_helper_power_enable); |