diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/ni.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index 417d9c24fcdb..0fecad240007 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -31,6 +31,7 @@ #include "nid.h" #include "atom.h" #include "ni_reg.h" +#include "cayman_blit_shaders.h" #define EVERGREEN_PFP_UCODE_SIZE 1120 #define EVERGREEN_PM4_UCODE_SIZE 1376 @@ -1023,3 +1024,228 @@ void cayman_pcie_gart_fini(struct radeon_device *rdev) radeon_gart_fini(rdev); } +/* + * CP. + */ +static void cayman_cp_enable(struct radeon_device *rdev, bool enable) +{ + if (enable) + WREG32(CP_ME_CNTL, 0); + else { + rdev->mc.active_vram_size = rdev->mc.visible_vram_size; + WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT)); + WREG32(SCRATCH_UMSK, 0); + } +} + +static int cayman_cp_load_microcode(struct radeon_device *rdev) +{ + const __be32 *fw_data; + int i; + + if (!rdev->me_fw || !rdev->pfp_fw) + return -EINVAL; + + cayman_cp_enable(rdev, false); + + fw_data = (const __be32 *)rdev->pfp_fw->data; + WREG32(CP_PFP_UCODE_ADDR, 0); + for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++) + WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++)); + WREG32(CP_PFP_UCODE_ADDR, 0); + + fw_data = (const __be32 *)rdev->me_fw->data; + WREG32(CP_ME_RAM_WADDR, 0); + for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++) + WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++)); + + WREG32(CP_PFP_UCODE_ADDR, 0); + WREG32(CP_ME_RAM_WADDR, 0); + WREG32(CP_ME_RAM_RADDR, 0); + return 0; +} + +static int cayman_cp_start(struct radeon_device *rdev) +{ + int r, i; + + r = radeon_ring_lock(rdev, 7); + if (r) { + DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); + return r; + } + radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5)); + radeon_ring_write(rdev, 0x1); + radeon_ring_write(rdev, 0x0); + radeon_ring_write(rdev, rdev->config.cayman.max_hw_contexts - 1); + radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1)); + radeon_ring_write(rdev, 0); + radeon_ring_write(rdev, 0); + radeon_ring_unlock_commit(rdev); + + cayman_cp_enable(rdev, true); + + r = radeon_ring_lock(rdev, cayman_default_size + 15); + if (r) { + DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r); + return r; + } + + /* setup clear context state */ + radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); + radeon_ring_write(rdev, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE); + + for (i = 0; i < cayman_default_size; i++) + radeon_ring_write(rdev, cayman_default_state[i]); + + radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0)); + radeon_ring_write(rdev, PACKET3_PREAMBLE_END_CLEAR_STATE); + + /* set clear context state */ + radeon_ring_write(rdev, PACKET3(PACKET3_CLEAR_STATE, 0)); + radeon_ring_write(rdev, 0); + + /* SQ_VTX_BASE_VTX_LOC */ + radeon_ring_write(rdev, 0xc0026f00); + radeon_ring_write(rdev, 0x00000000); + radeon_ring_write(rdev, 0x00000000); + radeon_ring_write(rdev, 0x00000000); + + /* Clear consts */ + radeon_ring_write(rdev, 0xc0036f00); + radeon_ring_write(rdev, 0x00000bc4); + radeon_ring_write(rdev, 0xffffffff); + radeon_ring_write(rdev, 0xffffffff); + radeon_ring_write(rdev, 0xffffffff); + + radeon_ring_unlock_commit(rdev); + + /* XXX init other rings */ + + return 0; +} + +int cayman_cp_resume(struct radeon_device *rdev) +{ + u32 tmp; + u32 rb_bufsz; + int r; + + /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */ + WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP | + SOFT_RESET_PA | + SOFT_RESET_SH | + SOFT_RESET_VGT | + SOFT_RESET_SX)); + RREG32(GRBM_SOFT_RESET); + mdelay(15); + WREG32(GRBM_SOFT_RESET, 0); + RREG32(GRBM_SOFT_RESET); + + WREG32(CP_SEM_WAIT_TIMER, 0x4); + + /* Set the write pointer delay */ + WREG32(CP_RB_WPTR_DELAY, 0); + + WREG32(CP_DEBUG, (1 << 27)); + + /* ring 0 - compute and gfx */ + /* Set ring buffer size */ + rb_bufsz = drm_order(rdev->cp.ring_size / 8); + tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; +#ifdef __BIG_ENDIAN + tmp |= BUF_SWAP_32BIT; +#endif + WREG32(CP_RB0_CNTL, tmp); + + /* Initialize the ring buffer's read and write pointers */ + WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA); + WREG32(CP_RB0_WPTR, 0); + + /* set the wb address wether it's enabled or not */ + WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC); + WREG32(CP_RB0_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF); + WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF); + + if (rdev->wb.enabled) + WREG32(SCRATCH_UMSK, 0xff); + else { + tmp |= RB_NO_UPDATE; + WREG32(SCRATCH_UMSK, 0); + } + + mdelay(1); + WREG32(CP_RB0_CNTL, tmp); + + WREG32(CP_RB0_BASE, rdev->cp.gpu_addr >> 8); + + rdev->cp.rptr = RREG32(CP_RB0_RPTR); + rdev->cp.wptr = RREG32(CP_RB0_WPTR); + + /* ring1 - compute only */ + /* Set ring buffer size */ + rb_bufsz = drm_order(rdev->cp1.ring_size / 8); + tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; +#ifdef __BIG_ENDIAN + tmp |= BUF_SWAP_32BIT; +#endif + WREG32(CP_RB1_CNTL, tmp); + + /* Initialize the ring buffer's read and write pointers */ + WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA); + WREG32(CP_RB1_WPTR, 0); + + /* set the wb address wether it's enabled or not */ + WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC); + WREG32(CP_RB1_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFF); + + mdelay(1); + WREG32(CP_RB1_CNTL, tmp); + + WREG32(CP_RB1_BASE, rdev->cp1.gpu_addr >> 8); + + rdev->cp1.rptr = RREG32(CP_RB1_RPTR); + rdev->cp1.wptr = RREG32(CP_RB1_WPTR); + + /* ring2 - compute only */ + /* Set ring buffer size */ + rb_bufsz = drm_order(rdev->cp2.ring_size / 8); + tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz; +#ifdef __BIG_ENDIAN + tmp |= BUF_SWAP_32BIT; +#endif + WREG32(CP_RB2_CNTL, tmp); + + /* Initialize the ring buffer's read and write pointers */ + WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA); + WREG32(CP_RB2_WPTR, 0); + + /* set the wb address wether it's enabled or not */ + WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC); + WREG32(CP_RB2_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFF); + + mdelay(1); + WREG32(CP_RB2_CNTL, tmp); + + WREG32(CP_RB2_BASE, rdev->cp2.gpu_addr >> 8); + + rdev->cp2.rptr = RREG32(CP_RB2_RPTR); + rdev->cp2.wptr = RREG32(CP_RB2_WPTR); + + /* start the rings */ + cayman_cp_start(rdev); + rdev->cp.ready = true; + rdev->cp1.ready = true; + rdev->cp2.ready = true; + /* this only test cp0 */ + r = radeon_ring_test(rdev); + if (r) { + rdev->cp.ready = false; + rdev->cp1.ready = false; + rdev->cp2.ready = false; + return r; + } + + return 0; +} + |