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Diffstat (limited to 'drivers/gpu/drm/radeon/r600.c')
-rw-r--r--drivers/gpu/drm/radeon/r600.c169
1 files changed, 169 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
new file mode 100644
index 00000000000..c45559fc97f
--- /dev/null
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -0,0 +1,169 @@
+/*
+ * Copyright 2008 Advanced Micro Devices, Inc.
+ * Copyright 2008 Red Hat Inc.
+ * Copyright 2009 Jerome Glisse.
+ *
+ * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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: Dave Airlie
+ * Alex Deucher
+ * Jerome Glisse
+ */
+#include "drmP.h"
+#include "radeon_reg.h"
+#include "radeon.h"
+
+/* r600,rv610,rv630,rv620,rv635,rv670 depends on : */
+void rs600_mc_disable_clients(struct radeon_device *rdev);
+
+/* This files gather functions specifics to:
+ * r600,rv610,rv630,rv620,rv635,rv670
+ *
+ * Some of these functions might be used by newer ASICs.
+ */
+int r600_mc_wait_for_idle(struct radeon_device *rdev);
+void r600_gpu_init(struct radeon_device *rdev);
+
+
+/*
+ * MC
+ */
+int r600_mc_init(struct radeon_device *rdev)
+{
+ uint32_t tmp;
+
+ r600_gpu_init(rdev);
+
+ /* setup the gart before changing location so we can ask to
+ * discard unmapped mc request
+ */
+ /* FIXME: disable out of gart access */
+ tmp = rdev->mc.gtt_location / 4096;
+ tmp = REG_SET(R600_LOGICAL_PAGE_NUMBER, tmp);
+ WREG32(R600_MC_VM_SYSTEM_APERTURE_LOW_ADDR, tmp);
+ tmp = (rdev->mc.gtt_location + rdev->mc.gtt_size) / 4096;
+ tmp = REG_SET(R600_LOGICAL_PAGE_NUMBER, tmp);
+ WREG32(R600_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, tmp);
+
+ rs600_mc_disable_clients(rdev);
+ if (r600_mc_wait_for_idle(rdev)) {
+ printk(KERN_WARNING "Failed to wait MC idle while "
+ "programming pipes. Bad things might happen.\n");
+ }
+
+ tmp = rdev->mc.vram_location + rdev->mc.vram_size - 1;
+ tmp = REG_SET(R600_MC_FB_TOP, tmp >> 24);
+ tmp |= REG_SET(R600_MC_FB_BASE, rdev->mc.vram_location >> 24);
+ WREG32(R600_MC_VM_FB_LOCATION, tmp);
+ tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
+ tmp = REG_SET(R600_MC_AGP_TOP, tmp >> 22);
+ WREG32(R600_MC_VM_AGP_TOP, tmp);
+ tmp = REG_SET(R600_MC_AGP_BOT, rdev->mc.gtt_location >> 22);
+ WREG32(R600_MC_VM_AGP_BOT, tmp);
+ return 0;
+}
+
+void r600_mc_fini(struct radeon_device *rdev)
+{
+ /* FIXME: implement */
+}
+
+
+/*
+ * Global GPU functions
+ */
+void r600_errata(struct radeon_device *rdev)
+{
+ rdev->pll_errata = 0;
+}
+
+int r600_mc_wait_for_idle(struct radeon_device *rdev)
+{
+ /* FIXME: implement */
+ return 0;
+}
+
+void r600_gpu_init(struct radeon_device *rdev)
+{
+ /* FIXME: implement */
+}
+
+
+/*
+ * VRAM info
+ */
+void r600_vram_get_type(struct radeon_device *rdev)
+{
+ uint32_t tmp;
+ int chansize;
+
+ rdev->mc.vram_width = 128;
+ rdev->mc.vram_is_ddr = true;
+
+ tmp = RREG32(R600_RAMCFG);
+ if (tmp & R600_CHANSIZE_OVERRIDE) {
+ chansize = 16;
+ } else if (tmp & R600_CHANSIZE) {
+ chansize = 64;
+ } else {
+ chansize = 32;
+ }
+ if (rdev->family == CHIP_R600) {
+ rdev->mc.vram_width = 8 * chansize;
+ } else if (rdev->family == CHIP_RV670) {
+ rdev->mc.vram_width = 4 * chansize;
+ } else if ((rdev->family == CHIP_RV610) ||
+ (rdev->family == CHIP_RV620)) {
+ rdev->mc.vram_width = chansize;
+ } else if ((rdev->family == CHIP_RV630) ||
+ (rdev->family == CHIP_RV635)) {
+ rdev->mc.vram_width = 2 * chansize;
+ }
+}
+
+void r600_vram_info(struct radeon_device *rdev)
+{
+ r600_vram_get_type(rdev);
+ rdev->mc.vram_size = RREG32(R600_CONFIG_MEMSIZE);
+
+ /* Could aper size report 0 ? */
+ rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
+ rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
+}
+
+/*
+ * Indirect registers accessor
+ */
+uint32_t r600_pciep_rreg(struct radeon_device *rdev, uint32_t reg)
+{
+ uint32_t r;
+
+ WREG32(R600_PCIE_PORT_INDEX, ((reg) & 0xff));
+ (void)RREG32(R600_PCIE_PORT_INDEX);
+ r = RREG32(R600_PCIE_PORT_DATA);
+ return r;
+}
+
+void r600_pciep_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
+{
+ WREG32(R600_PCIE_PORT_INDEX, ((reg) & 0xff));
+ (void)RREG32(R600_PCIE_PORT_INDEX);
+ WREG32(R600_PCIE_PORT_DATA, (v));
+ (void)RREG32(R600_PCIE_PORT_DATA);
+}