summaryrefslogtreecommitdiff
path: root/lib/intel_io.h
diff options
context:
space:
mode:
authorDaniel Vetter <daniel.vetter@ffwll.ch>2014-03-22 21:34:29 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2014-03-22 21:34:29 +0100
commitc03c6ceb293fd667a6b582377c182dfc3b6d0f32 (patch)
treeccfcbc48fcce390e465e556cc27acc90546a18d2 /lib/intel_io.h
parent254f19ba8dc4b00d0d5df0a4f8d0a0cb104b2df5 (diff)
lib: rename intel_gpu_tools.h to intel_io.h
With the header cleanup we can now give this header a suitable name, since it now really only contains register access and other I/O functions and assorted definitions. Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'lib/intel_io.h')
-rw-r--r--lib/intel_io.h87
1 files changed, 87 insertions, 0 deletions
diff --git a/lib/intel_io.h b/lib/intel_io.h
new file mode 100644
index 00000000..591fd3f4
--- /dev/null
+++ b/lib/intel_io.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright © 2009 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#ifndef INTEL_GPU_TOOLS_H
+#define INTEL_GPU_TOOLS_H
+
+#include <stdint.h>
+#include <pciaccess.h>
+
+/* register access helpers from intel_mmio.c */
+extern void *mmio;
+void intel_get_mmio(struct pci_device *pci_dev);
+void intel_map_file(char *);
+
+int intel_register_access_init(struct pci_device *pci_dev, int safe);
+void intel_register_access_fini(void);
+uint32_t intel_register_read(uint32_t reg);
+void intel_register_write(uint32_t reg, uint32_t val);
+int intel_register_access_needs_fakewake(void);
+
+static inline uint32_t
+INREG(uint32_t reg)
+{
+ return *(volatile uint32_t *)((volatile char *)mmio + reg);
+}
+
+static inline void
+OUTREG(uint32_t reg, uint32_t val)
+{
+ *(volatile uint32_t *)((volatile char *)mmio + reg) = val;
+}
+
+/* sideband access functions from intel_iosf.c */
+uint32_t intel_dpio_reg_read(uint32_t reg, int phy);
+void intel_dpio_reg_write(uint32_t reg, uint32_t val, int phy);
+
+int intel_punit_read(uint8_t addr, uint32_t *val);
+int intel_punit_write(uint8_t addr, uint32_t val);
+int intel_nc_read(uint8_t addr, uint32_t *val);
+int intel_nc_write(uint8_t addr, uint32_t val);
+
+/* register maps from intel_reg_map.c */
+#define INTEL_RANGE_RSVD (0<<0) /* Shouldn't be read or written */
+#define INTEL_RANGE_READ (1<<0)
+#define INTEL_RANGE_WRITE (1<<1)
+#define INTEL_RANGE_RW (INTEL_RANGE_READ | INTEL_RANGE_WRITE)
+#define INTEL_RANGE_END (1<<31)
+
+struct intel_register_range {
+ uint32_t base;
+ uint32_t size;
+ uint32_t flags;
+};
+
+struct intel_register_map {
+ struct intel_register_range *map;
+ uint32_t top;
+ uint32_t alignment_mask;
+};
+struct intel_register_map intel_get_register_map(uint32_t devid);
+struct intel_register_range *intel_get_register_range(struct intel_register_map map, uint32_t offset, uint32_t mode);
+
+#endif /* INTEL_GPU_TOOLS_H */