diff options
Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a6xx_gpu.h')
-rw-r--r-- | drivers/gpu/drm/msm/adreno/a6xx_gpu.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu.h b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h new file mode 100644 index 000000000000..dd69e5b0e692 --- /dev/null +++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu.h @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (c) 2017 The Linux Foundation. All rights reserved. */ + +#ifndef __A6XX_GPU_H__ +#define __A6XX_GPU_H__ + + +#include "adreno_gpu.h" +#include "a6xx.xml.h" + +#include "a6xx_gmu.h" + +extern bool hang_debug; + +struct a6xx_gpu { + struct adreno_gpu base; + + struct drm_gem_object *sqe_bo; + uint64_t sqe_iova; + + struct msm_ringbuffer *cur_ring; + + struct a6xx_gmu gmu; +}; + +#define to_a6xx_gpu(x) container_of(x, struct a6xx_gpu, base) + +/* + * Given a register and a count, return a value to program into + * REG_CP_PROTECT_REG(n) - this will block both reads and writes for _len + * registers starting at _reg. + */ +#define A6XX_PROTECT_RW(_reg, _len) \ + ((1 << 31) | \ + (((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF)) + +/* + * Same as above, but allow reads over the range. For areas of mixed use (such + * as performance counters) this allows us to protect a much larger range with a + * single register + */ +#define A6XX_PROTECT_RDONLY(_reg, _len) \ + ((((_len) & 0x3FFF) << 18) | ((_reg) & 0x3FFFF)) + + +int a6xx_gmu_resume(struct a6xx_gpu *gpu); +int a6xx_gmu_stop(struct a6xx_gpu *gpu); + +int a6xx_gmu_wait_for_idle(struct a6xx_gpu *gpu); + +int a6xx_gmu_reset(struct a6xx_gpu *a6xx_gpu); +bool a6xx_gmu_isidle(struct a6xx_gmu *gmu); + +int a6xx_gmu_set_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state); +void a6xx_gmu_clear_oob(struct a6xx_gmu *gmu, enum a6xx_gmu_oob_state state); + +int a6xx_gmu_probe(struct a6xx_gpu *a6xx_gpu, struct device_node *node); +void a6xx_gmu_remove(struct a6xx_gpu *a6xx_gpu); + +#endif /* __A6XX_GPU_H__ */ |