2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
24 * Authors: Dave Airlie
29 #include "radeon_reg.h"
32 /* r600,rv610,rv630,rv620,rv635,rv670 depends on : */
33 void rs600_mc_disable_clients(struct radeon_device *rdev);
35 /* This files gather functions specifics to:
36 * r600,rv610,rv630,rv620,rv635,rv670
38 * Some of these functions might be used by newer ASICs.
40 int r600_mc_wait_for_idle(struct radeon_device *rdev);
41 void r600_gpu_init(struct radeon_device *rdev);
47 int r600_mc_init(struct radeon_device *rdev)
53 /* setup the gart before changing location so we can ask to
54 * discard unmapped mc request
56 /* FIXME: disable out of gart access */
57 tmp = rdev->mc.gtt_location / 4096;
58 tmp = REG_SET(R600_LOGICAL_PAGE_NUMBER, tmp);
59 WREG32(R600_MC_VM_SYSTEM_APERTURE_LOW_ADDR, tmp);
60 tmp = (rdev->mc.gtt_location + rdev->mc.gtt_size) / 4096;
61 tmp = REG_SET(R600_LOGICAL_PAGE_NUMBER, tmp);
62 WREG32(R600_MC_VM_SYSTEM_APERTURE_HIGH_ADDR, tmp);
64 rs600_mc_disable_clients(rdev);
65 if (r600_mc_wait_for_idle(rdev)) {
66 printk(KERN_WARNING "Failed to wait MC idle while "
67 "programming pipes. Bad things might happen.\n");
70 tmp = rdev->mc.vram_location + rdev->mc.vram_size - 1;
71 tmp = REG_SET(R600_MC_FB_TOP, tmp >> 24);
72 tmp |= REG_SET(R600_MC_FB_BASE, rdev->mc.vram_location >> 24);
73 WREG32(R600_MC_VM_FB_LOCATION, tmp);
74 tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1;
75 tmp = REG_SET(R600_MC_AGP_TOP, tmp >> 22);
76 WREG32(R600_MC_VM_AGP_TOP, tmp);
77 tmp = REG_SET(R600_MC_AGP_BOT, rdev->mc.gtt_location >> 22);
78 WREG32(R600_MC_VM_AGP_BOT, tmp);
82 void r600_mc_fini(struct radeon_device *rdev)
84 /* FIXME: implement */
89 * Global GPU functions
91 void r600_errata(struct radeon_device *rdev)
96 int r600_mc_wait_for_idle(struct radeon_device *rdev)
98 /* FIXME: implement */
102 void r600_gpu_init(struct radeon_device *rdev)
104 /* FIXME: implement */
111 void r600_vram_get_type(struct radeon_device *rdev)
116 rdev->mc.vram_width = 128;
117 rdev->mc.vram_is_ddr = true;
119 tmp = RREG32(R600_RAMCFG);
120 if (tmp & R600_CHANSIZE_OVERRIDE) {
122 } else if (tmp & R600_CHANSIZE) {
127 if (rdev->family == CHIP_R600) {
128 rdev->mc.vram_width = 8 * chansize;
129 } else if (rdev->family == CHIP_RV670) {
130 rdev->mc.vram_width = 4 * chansize;
131 } else if ((rdev->family == CHIP_RV610) ||
132 (rdev->family == CHIP_RV620)) {
133 rdev->mc.vram_width = chansize;
134 } else if ((rdev->family == CHIP_RV630) ||
135 (rdev->family == CHIP_RV635)) {
136 rdev->mc.vram_width = 2 * chansize;
140 void r600_vram_info(struct radeon_device *rdev)
142 r600_vram_get_type(rdev);
143 rdev->mc.vram_size = RREG32(R600_CONFIG_MEMSIZE);
145 /* Could aper size report 0 ? */
146 rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
147 rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
151 * Indirect registers accessor
153 uint32_t r600_pciep_rreg(struct radeon_device *rdev, uint32_t reg)
157 WREG32(R600_PCIE_PORT_INDEX, ((reg) & 0xff));
158 (void)RREG32(R600_PCIE_PORT_INDEX);
159 r = RREG32(R600_PCIE_PORT_DATA);
163 void r600_pciep_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
165 WREG32(R600_PCIE_PORT_INDEX, ((reg) & 0xff));
166 (void)RREG32(R600_PCIE_PORT_INDEX);
167 WREG32(R600_PCIE_PORT_DATA, (v));
168 (void)RREG32(R600_PCIE_PORT_DATA);