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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /include/soc/tegra/flowctrl.h
downloadlinux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz
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Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab: - v4l2-core: added ISP statistics support and per-block validation - v4l2-core: Allow unknown HDR10 white point and luminance - New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor - New codec: Milos: VPU v2.0 codec support - isp driver: gained support for Dreamchip RPPX1 ISP framework - vsp1 driver: gained support for RZ/T2H and RZ/N2H - Novalake driver: gained CVS support for new NVL hardware - dvb-core: fix feed leak on failed DMX_ADD_PID - several driver fixes, cleanups and minor improvements * tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits) media: ipu-bridge: check all DMI entries when overriding sensor rotation media: v4l2-async: avoid deleting unlinked ASC entry on link error media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement media: intel/ipu6: fix async notifier cleanup leak on parse error media: staging/ipu7: fix async notifier UAF on probe error path media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem() media: rcar-isp: Fix VSPX reference leaks media: rcar-isp: Release ISPCORE resources media: i2c: imx415: Release runtime PM reference on VBLANK error media: i2c: imx415: Return test pattern write errors media: renesas: vsp1: Declare index variables in for loop statement media: renesas: vsp1: Make reset control optional to support platforms without a reset line media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs media: nxp: imx8-isi: Add additional 32-bit RGB format support media: nxp: imx8-isi: Add 16-bit raw Bayer format support media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks media: nxp: imx8-isi: Correct color map between V4L2 and ISI ...
Diffstat (limited to 'include/soc/tegra/flowctrl.h')
-rw-r--r--include/soc/tegra/flowctrl.h71
1 files changed, 71 insertions, 0 deletions
diff --git a/include/soc/tegra/flowctrl.h b/include/soc/tegra/flowctrl.h
new file mode 100644
index 000000000..2a60bd493
--- /dev/null
+++ b/include/soc/tegra/flowctrl.h
@@ -0,0 +1,71 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Functions and macros to control the flowcontroller
+ *
+ * Copyright (c) 2010-2012, NVIDIA Corporation. All rights reserved.
+ */
+
+#ifndef __SOC_TEGRA_FLOWCTRL_H__
+#define __SOC_TEGRA_FLOWCTRL_H__
+
+#define FLOW_CTRL_HALT_CPU0_EVENTS 0x0
+#define FLOW_CTRL_WAITEVENT (2 << 29)
+#define FLOW_CTRL_WAIT_FOR_INTERRUPT (4 << 29)
+#define FLOW_CTRL_JTAG_RESUME (1 << 28)
+#define FLOW_CTRL_SCLK_RESUME (1 << 27)
+#define FLOW_CTRL_HALT_CPU_IRQ (1 << 10)
+#define FLOW_CTRL_HALT_CPU_FIQ (1 << 8)
+#define FLOW_CTRL_HALT_LIC_IRQ (1 << 11)
+#define FLOW_CTRL_HALT_LIC_FIQ (1 << 10)
+#define FLOW_CTRL_HALT_GIC_IRQ (1 << 9)
+#define FLOW_CTRL_HALT_GIC_FIQ (1 << 8)
+#define FLOW_CTRL_CPU0_CSR 0x8
+#define FLOW_CTRL_CSR_INTR_FLAG (1 << 15)
+#define FLOW_CTRL_CSR_EVENT_FLAG (1 << 14)
+#define FLOW_CTRL_CSR_ENABLE_EXT_CRAIL (1 << 13)
+#define FLOW_CTRL_CSR_ENABLE_EXT_NCPU (1 << 12)
+#define FLOW_CTRL_CSR_ENABLE_EXT_MASK ( \
+ FLOW_CTRL_CSR_ENABLE_EXT_NCPU | \
+ FLOW_CTRL_CSR_ENABLE_EXT_CRAIL)
+#define FLOW_CTRL_CSR_ENABLE (1 << 0)
+#define FLOW_CTRL_HALT_CPU1_EVENTS 0x14
+#define FLOW_CTRL_CPU1_CSR 0x18
+
+#define TEGRA20_FLOW_CTRL_CSR_WFE_CPU0 (1 << 4)
+#define TEGRA20_FLOW_CTRL_CSR_WFE_BITMAP (3 << 4)
+#define TEGRA20_FLOW_CTRL_CSR_WFI_BITMAP 0
+
+#define TEGRA30_FLOW_CTRL_CSR_WFI_CPU0 (1 << 8)
+#define TEGRA30_FLOW_CTRL_CSR_WFE_BITMAP (0xF << 4)
+#define TEGRA30_FLOW_CTRL_CSR_WFI_BITMAP (0xF << 8)
+
+#ifndef __ASSEMBLER__
+#ifdef CONFIG_SOC_TEGRA_FLOWCTRL
+u32 flowctrl_read_cpu_csr(unsigned int cpuid);
+void flowctrl_write_cpu_csr(unsigned int cpuid, u32 value);
+void flowctrl_write_cpu_halt(unsigned int cpuid, u32 value);
+
+void flowctrl_cpu_suspend_enter(unsigned int cpuid);
+void flowctrl_cpu_suspend_exit(unsigned int cpuid);
+#else
+static inline u32 flowctrl_read_cpu_csr(unsigned int cpuid)
+{
+ return 0;
+}
+
+static inline void flowctrl_write_cpu_csr(unsigned int cpuid, u32 value)
+{
+}
+
+static inline void flowctrl_write_cpu_halt(unsigned int cpuid, u32 value) {}
+
+static inline void flowctrl_cpu_suspend_enter(unsigned int cpuid)
+{
+}
+
+static inline void flowctrl_cpu_suspend_exit(unsigned int cpuid)
+{
+}
+#endif /* CONFIG_SOC_TEGRA_FLOWCTRL */
+#endif /* __ASSEMBLER__ */
+#endif /* __SOC_TEGRA_FLOWCTRL_H__ */