diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/ni.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/ni.c | 1592 |
1 files changed, 1592 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c new file mode 100644 index 000000000000..7aade20f63a8 --- /dev/null +++ b/drivers/gpu/drm/radeon/ni.c @@ -0,0 +1,1592 @@ +/* + * Copyright 2010 Advanced Micro Devices, Inc. + * + * 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: Alex Deucher + */ +#include <linux/firmware.h> +#include <linux/platform_device.h> +#include <linux/slab.h> +#include "drmP.h" +#include "radeon.h" +#include "radeon_asic.h" +#include "radeon_drm.h" +#include "nid.h" +#include "atom.h" +#include "ni_reg.h" +#include "cayman_blit_shaders.h" + +extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save); +extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save); +extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev); +extern void evergreen_mc_program(struct radeon_device *rdev); +extern void evergreen_irq_suspend(struct radeon_device *rdev); +extern int evergreen_mc_init(struct radeon_device *rdev); + +#define EVERGREEN_PFP_UCODE_SIZE 1120 +#define EVERGREEN_PM4_UCODE_SIZE 1376 +#define EVERGREEN_RLC_UCODE_SIZE 768 +#define BTC_MC_UCODE_SIZE 6024 + +#define CAYMAN_PFP_UCODE_SIZE 2176 +#define CAYMAN_PM4_UCODE_SIZE 2176 +#define CAYMAN_RLC_UCODE_SIZE 1024 +#define CAYMAN_MC_UCODE_SIZE 6037 + +/* Firmware Names */ +MODULE_FIRMWARE("radeon/BARTS_pfp.bin"); +MODULE_FIRMWARE("radeon/BARTS_me.bin"); +MODULE_FIRMWARE("radeon/BARTS_mc.bin"); +MODULE_FIRMWARE("radeon/BTC_rlc.bin"); +MODULE_FIRMWARE("radeon/TURKS_pfp.bin"); +MODULE_FIRMWARE("radeon/TURKS_me.bin"); +MODULE_FIRMWARE("radeon/TURKS_mc.bin"); +MODULE_FIRMWARE("radeon/CAICOS_pfp.bin"); +MODULE_FIRMWARE("radeon/CAICOS_me.bin"); +MODULE_FIRMWARE("radeon/CAICOS_mc.bin"); +MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin"); +MODULE_FIRMWARE("radeon/CAYMAN_me.bin"); +MODULE_FIRMWARE("radeon/CAYMAN_mc.bin"); +MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin"); + +#define BTC_IO_MC_REGS_SIZE 29 + +static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { + {0x00000077, 0xff010100}, + {0x00000078, 0x00000000}, + {0x00000079, 0x00001434}, + {0x0000007a, 0xcc08ec08}, + {0x0000007b, 0x00040000}, + {0x0000007c, 0x000080c0}, + {0x0000007d, 0x09000000}, + {0x0000007e, 0x00210404}, + {0x00000081, 0x08a8e800}, + {0x00000082, 0x00030444}, + {0x00000083, 0x00000000}, + {0x00000085, 0x00000001}, + {0x00000086, 0x00000002}, + {0x00000087, 0x48490000}, + {0x00000088, 0x20244647}, + {0x00000089, 0x00000005}, + {0x0000008b, 0x66030000}, + {0x0000008c, 0x00006603}, + {0x0000008d, 0x00000100}, + {0x0000008f, 0x00001c0a}, + {0x00000090, 0xff000001}, + {0x00000094, 0x00101101}, + {0x00000095, 0x00000fff}, + {0x00000096, 0x00116fff}, + {0x00000097, 0x60010000}, + {0x00000098, 0x10010000}, + {0x00000099, 0x00006000}, + {0x0000009a, 0x00001000}, + {0x0000009f, 0x00946a00} +}; + +static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { + {0x00000077, 0xff010100}, + {0x00000078, 0x00000000}, + {0x00000079, 0x00001434}, + {0x0000007a, 0xcc08ec08}, + {0x0000007b, 0x00040000}, + {0x0000007c, 0x000080c0}, + {0x0000007d, 0x09000000}, + {0x0000007e, 0x00210404}, + {0x00000081, 0x08a8e800}, + {0x00000082, 0x00030444}, + {0x00000083, 0x00000000}, + {0x00000085, 0x00000001}, + {0x00000086, 0x00000002}, + {0x00000087, 0x48490000}, + {0x00000088, 0x20244647}, + {0x00000089, 0x00000005}, + {0x0000008b, 0x66030000}, + {0x0000008c, 0x00006603}, + {0x0000008d, 0x00000100}, + {0x0000008f, 0x00001c0a}, + {0x00000090, 0xff000001}, + {0x00000094, 0x00101101}, + {0x00000095, 0x00000fff}, + {0x00000096, 0x00116fff}, + {0x00000097, 0x60010000}, + {0x00000098, 0x10010000}, + {0x00000099, 0x00006000}, + {0x0000009a, 0x00001000}, + {0x0000009f, 0x00936a00} +}; + +static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { + {0x00000077, 0xff010100}, + {0x00000078, 0x00000000}, + {0x00000079, 0x00001434}, + {0x0000007a, 0xcc08ec08}, + {0x0000007b, 0x00040000}, + {0x0000007c, 0x000080c0}, + {0x0000007d, 0x09000000}, + {0x0000007e, 0x00210404}, + {0x00000081, 0x08a8e800}, + {0x00000082, 0x00030444}, + {0x00000083, 0x00000000}, + {0x00000085, 0x00000001}, + {0x00000086, 0x00000002}, + {0x00000087, 0x48490000}, + {0x00000088, 0x20244647}, + {0x00000089, 0x00000005}, + {0x0000008b, 0x66030000}, + {0x0000008c, 0x00006603}, + {0x0000008d, 0x00000100}, + {0x0000008f, 0x00001c0a}, + {0x00000090, 0xff000001}, + {0x00000094, 0x00101101}, + {0x00000095, 0x00000fff}, + {0x00000096, 0x00116fff}, + {0x00000097, 0x60010000}, + {0x00000098, 0x10010000}, + {0x00000099, 0x00006000}, + {0x0000009a, 0x00001000}, + {0x0000009f, 0x00916a00} +}; + +static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = { + {0x00000077, 0xff010100}, + {0x00000078, 0x00000000}, + {0x00000079, 0x00001434}, + {0x0000007a, 0xcc08ec08}, + {0x0000007b, 0x00040000}, + {0x0000007c, 0x000080c0}, + {0x0000007d, 0x09000000}, + {0x0000007e, 0x00210404}, + {0x00000081, 0x08a8e800}, + {0x00000082, 0x00030444}, + {0x00000083, 0x00000000}, + {0x00000085, 0x00000001}, + {0x00000086, 0x00000002}, + {0x00000087, 0x48490000}, + {0x00000088, 0x20244647}, + {0x00000089, 0x00000005}, + {0x0000008b, 0x66030000}, + {0x0000008c, 0x00006603}, + {0x0000008d, 0x00000100}, + {0x0000008f, 0x00001c0a}, + {0x00000090, 0xff000001}, + {0x00000094, 0x00101101}, + {0x00000095, 0x00000fff}, + {0x00000096, 0x00116fff}, + {0x00000097, 0x60010000}, + {0x00000098, 0x10010000}, + {0x00000099, 0x00006000}, + {0x0000009a, 0x00001000}, + {0x0000009f, 0x00976b00} +}; + +int ni_mc_load_microcode(struct radeon_device *rdev) +{ + const __be32 *fw_data; + u32 mem_type, running, blackout = 0; + u32 *io_mc_regs; + int i, ucode_size, regs_size; + + if (!rdev->mc_fw) + return -EINVAL; + + switch (rdev->family) { + case CHIP_BARTS: + io_mc_regs = (u32 *)&barts_io_mc_regs; + ucode_size = BTC_MC_UCODE_SIZE; + regs_size = BTC_IO_MC_REGS_SIZE; + break; + case CHIP_TURKS: + io_mc_regs = (u32 *)&turks_io_mc_regs; + ucode_size = BTC_MC_UCODE_SIZE; + regs_size = BTC_IO_MC_REGS_SIZE; + break; + case CHIP_CAICOS: + default: + io_mc_regs = (u32 *)&caicos_io_mc_regs; + ucode_size = BTC_MC_UCODE_SIZE; + regs_size = BTC_IO_MC_REGS_SIZE; + break; + case CHIP_CAYMAN: + io_mc_regs = (u32 *)&cayman_io_mc_regs; + ucode_size = CAYMAN_MC_UCODE_SIZE; + regs_size = BTC_IO_MC_REGS_SIZE; + break; + } + + mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT; + running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK; + + if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) { + if (running) { + blackout = RREG32(MC_SHARED_BLACKOUT_CNTL); + WREG32(MC_SHARED_BLACKOUT_CNTL, 1); + } + + /* reset the engine and set to writable */ + WREG32(MC_SEQ_SUP_CNTL, 0x00000008); + WREG32(MC_SEQ_SUP_CNTL, 0x00000010); + + /* load mc io regs */ + for (i = 0; i < regs_size; i++) { + WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]); + WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]); + } + /* load the MC ucode */ + fw_data = (const __be32 *)rdev->mc_fw->data; + for (i = 0; i < ucode_size; i++) + WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++)); + + /* put the engine back into the active state */ + WREG32(MC_SEQ_SUP_CNTL, 0x00000008); + WREG32(MC_SEQ_SUP_CNTL, 0x00000004); + WREG32(MC_SEQ_SUP_CNTL, 0x00000001); + + /* wait for training to complete */ + while (!(RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)) + udelay(10); + + if (running) + WREG32(MC_SHARED_BLACKOUT_CNTL, blackout); + } + + return 0; +} + +int ni_init_microcode(struct radeon_device *rdev) +{ + struct platform_device *pdev; + const char *chip_name; + const char *rlc_chip_name; + size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size; + char fw_name[30]; + int err; + + DRM_DEBUG("\n"); + + pdev = platform_device_register_simple("radeon_cp", 0, NULL, 0); + err = IS_ERR(pdev); + if (err) { + printk(KERN_ERR "radeon_cp: Failed to register firmware\n"); + return -EINVAL; + } + + switch (rdev->family) { + case CHIP_BARTS: + chip_name = "BARTS"; + rlc_chip_name = "BTC"; + pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; + me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; + rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; + mc_req_size = BTC_MC_UCODE_SIZE * 4; + break; + case CHIP_TURKS: + chip_name = "TURKS"; + rlc_chip_name = "BTC"; + pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; + me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; + rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; + mc_req_size = BTC_MC_UCODE_SIZE * 4; + break; + case CHIP_CAICOS: + chip_name = "CAICOS"; + rlc_chip_name = "BTC"; + pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4; + me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4; + rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4; + mc_req_size = BTC_MC_UCODE_SIZE * 4; + break; + case CHIP_CAYMAN: + chip_name = "CAYMAN"; + rlc_chip_name = "CAYMAN"; + pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4; + me_req_size = CAYMAN_PM4_UCODE_SIZE * 4; + rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4; + mc_req_size = CAYMAN_MC_UCODE_SIZE * 4; + break; + default: BUG(); + } + + DRM_INFO("Loading %s Microcode\n", chip_name); + + snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name); + err = request_firmware(&rdev->pfp_fw, fw_name, &pdev->dev); + if (err) + goto out; + if (rdev->pfp_fw->size != pfp_req_size) { + printk(KERN_ERR + "ni_cp: Bogus length %zu in firmware \"%s\"\n", + rdev->pfp_fw->size, fw_name); + err = -EINVAL; + goto out; + } + + snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name); + err = request_firmware(&rdev->me_fw, fw_name, &pdev->dev); + if (err) + goto out; + if (rdev->me_fw->size != me_req_size) { + printk(KERN_ERR + "ni_cp: Bogus length %zu in firmware \"%s\"\n", + rdev->me_fw->size, fw_name); + err = -EINVAL; + } + + snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name); + err = request_firmware(&rdev->rlc_fw, fw_name, &pdev->dev); + if (err) + goto out; + if (rdev->rlc_fw->size != rlc_req_size) { + printk(KERN_ERR + "ni_rlc: Bogus length %zu in firmware \"%s\"\n", + rdev->rlc_fw->size, fw_name); + err = -EINVAL; + } + + snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name); + err = request_firmware(&rdev->mc_fw, fw_name, &pdev->dev); + if (err) + goto out; + if (rdev->mc_fw->size != mc_req_size) { + printk(KERN_ERR + "ni_mc: Bogus length %zu in firmware \"%s\"\n", + rdev->mc_fw->size, fw_name); + err = -EINVAL; + } +out: + platform_device_unregister(pdev); + + if (err) { + if (err != -EINVAL) + printk(KERN_ERR + "ni_cp: Failed to load firmware \"%s\"\n", + fw_name); + release_firmware(rdev->pfp_fw); + rdev->pfp_fw = NULL; + release_firmware(rdev->me_fw); + rdev->me_fw = NULL; + release_firmware(rdev->rlc_fw); + rdev->rlc_fw = NULL; + release_firmware(rdev->mc_fw); + rdev->mc_fw = NULL; + } + return err; +} + +/* + * Core functions + */ +static u32 cayman_get_tile_pipe_to_backend_map(struct radeon_device *rdev, + u32 num_tile_pipes, + u32 num_backends_per_asic, + u32 *backend_disable_mask_per_asic, + u32 num_shader_engines) +{ + u32 backend_map = 0; + u32 enabled_backends_mask = 0; + u32 enabled_backends_count = 0; + u32 num_backends_per_se; + u32 cur_pipe; + u32 swizzle_pipe[CAYMAN_MAX_PIPES]; + u32 cur_backend = 0; + u32 i; + bool force_no_swizzle; + + /* force legal values */ + if (num_tile_pipes < 1) + num_tile_pipes = 1; + if (num_tile_pipes > rdev->config.cayman.max_tile_pipes) + num_tile_pipes = rdev->config.cayman.max_tile_pipes; + if (num_shader_engines < 1) + num_shader_engines = 1; + if (num_shader_engines > rdev->config.cayman.max_shader_engines) + num_shader_engines = rdev->config.cayman.max_shader_engines; + if (num_backends_per_asic > num_shader_engines) + num_backends_per_asic = num_shader_engines; + if (num_backends_per_asic > (rdev->config.cayman.max_backends_per_se * num_shader_engines)) + num_backends_per_asic = rdev->config.cayman.max_backends_per_se * num_shader_engines; + + /* make sure we have the same number of backends per se */ + num_backends_per_asic = ALIGN(num_backends_per_asic, num_shader_engines); + /* set up the number of backends per se */ + num_backends_per_se = num_backends_per_asic / num_shader_engines; + if (num_backends_per_se > rdev->config.cayman.max_backends_per_se) { + num_backends_per_se = rdev->config.cayman.max_backends_per_se; + num_backends_per_asic = num_backends_per_se * num_shader_engines; + } + + /* create enable mask and count for enabled backends */ + for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) { + if (((*backend_disable_mask_per_asic >> i) & 1) == 0) { + enabled_backends_mask |= (1 << i); + ++enabled_backends_count; + } + if (enabled_backends_count == num_backends_per_asic) + break; + } + + /* force the backends mask to match the current number of backends */ + if (enabled_backends_count != num_backends_per_asic) { + u32 this_backend_enabled; + u32 shader_engine; + u32 backend_per_se; + + enabled_backends_mask = 0; + enabled_backends_count = 0; + *backend_disable_mask_per_asic = CAYMAN_MAX_BACKENDS_MASK; + for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) { + /* calc the current se */ + shader_engine = i / rdev->config.cayman.max_backends_per_se; + /* calc the backend per se */ + backend_per_se = i % rdev->config.cayman.max_backends_per_se; + /* default to not enabled */ + this_backend_enabled = 0; + if ((shader_engine < num_shader_engines) && + (backend_per_se < num_backends_per_se)) + this_backend_enabled = 1; + if (this_backend_enabled) { + enabled_backends_mask |= (1 << i); + *backend_disable_mask_per_asic &= ~(1 << i); + ++enabled_backends_count; + } + } + } + + + memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * CAYMAN_MAX_PIPES); + switch (rdev->family) { + case CHIP_CAYMAN: + force_no_swizzle = true; + break; + default: + force_no_swizzle = false; + break; + } + if (force_no_swizzle) { + bool last_backend_enabled = false; + + force_no_swizzle = false; + for (i = 0; i < CAYMAN_MAX_BACKENDS; ++i) { + if (((enabled_backends_mask >> i) & 1) == 1) { + if (last_backend_enabled) + force_no_swizzle = true; + last_backend_enabled = true; + } else + last_backend_enabled = false; + } + } + + switch (num_tile_pipes) { + case 1: + case 3: + case 5: + case 7: + DRM_ERROR("odd number of pipes!\n"); + break; + case 2: + swizzle_pipe[0] = 0; + swizzle_pipe[1] = 1; + break; + case 4: + if (force_no_swizzle) { + swizzle_pipe[0] = 0; + swizzle_pipe[1] = 1; + swizzle_pipe[2] = 2; + swizzle_pipe[3] = 3; + } else { + swizzle_pipe[0] = 0; + swizzle_pipe[1] = 2; + swizzle_pipe[2] = 1; + swizzle_pipe[3] = 3; + } + break; + case 6: + if (force_no_swizzle) { + swizzle_pipe[0] = 0; + swizzle_pipe[1] = 1; + swizzle_pipe[2] = 2; + swizzle_pipe[3] = 3; + swizzle_pipe[4] = 4; + swizzle_pipe[5] = 5; + } else { + swizzle_pipe[0] = 0; + swizzle_pipe[1] = 2; + swizzle_pipe[2] = 4; + swizzle_pipe[3] = 1; + swizzle_pipe[4] = 3; + swizzle_pipe[5] = 5; + } + break; + case 8: + if (force_no_swizzle) { + swizzle_pipe[0] = 0; + swizzle_pipe[1] = 1; + swizzle_pipe[2] = 2; + swizzle_pipe[3] = 3; + swizzle_pipe[4] = 4; + swizzle_pipe[5] = 5; + swizzle_pipe[6] = 6; + swizzle_pipe[7] = 7; + } else { + swizzle_pipe[0] = 0; + swizzle_pipe[1] = 2; + swizzle_pipe[2] = 4; + swizzle_pipe[3] = 6; + swizzle_pipe[4] = 1; + swizzle_pipe[5] = 3; + swizzle_pipe[6] = 5; + swizzle_pipe[7] = 7; + } + break; + } + + for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) { + while (((1 << cur_backend) & enabled_backends_mask) == 0) + cur_backend = (cur_backend + 1) % CAYMAN_MAX_BACKENDS; + + backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4))); + + cur_backend = (cur_backend + 1) % CAYMAN_MAX_BACKENDS; + } + + return backend_map; +} + +static void cayman_program_channel_remap(struct radeon_device *rdev) +{ + u32 tcp_chan_steer_lo, tcp_chan_steer_hi, mc_shared_chremap, tmp; + + tmp = RREG32(MC_SHARED_CHMAP); + switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) { + case 0: + case 1: + case 2: + case 3: + default: + /* default mapping */ + mc_shared_chremap = 0x00fac688; + break; + } + + switch (rdev->family) { + case CHIP_CAYMAN: + default: + //tcp_chan_steer_lo = 0x54763210 + tcp_chan_steer_lo = 0x76543210; + tcp_chan_steer_hi = 0x0000ba98; + break; + } + + WREG32(TCP_CHAN_STEER_LO, tcp_chan_steer_lo); + WREG32(TCP_CHAN_STEER_HI, tcp_chan_steer_hi); + WREG32(MC_SHARED_CHREMAP, mc_shared_chremap); +} + +static u32 cayman_get_disable_mask_per_asic(struct radeon_device *rdev, + u32 disable_mask_per_se, + u32 max_disable_mask_per_se, + u32 num_shader_engines) +{ + u32 disable_field_width_per_se = r600_count_pipe_bits(disable_mask_per_se); + u32 disable_mask_per_asic = disable_mask_per_se & max_disable_mask_per_se; + + if (num_shader_engines == 1) + return disable_mask_per_asic; + else if (num_shader_engines == 2) + return disable_mask_per_asic | (disable_mask_per_asic << disable_field_width_per_se); + else + return 0xffffffff; +} + +static void cayman_gpu_init(struct radeon_device *rdev) +{ + u32 cc_rb_backend_disable = 0; + u32 cc_gc_shader_pipe_config; + u32 gb_addr_config = 0; + u32 mc_shared_chmap, mc_arb_ramcfg; + u32 gb_backend_map; + u32 cgts_tcc_disable; + u32 sx_debug_1; + u32 smx_dc_ctl0; + u32 gc_user_shader_pipe_config; + u32 gc_user_rb_backend_disable; + u32 cgts_user_tcc_disable; + u32 cgts_sm_ctrl_reg; + u32 hdp_host_path_cntl; + u32 tmp; + int i, j; + + switch (rdev->family) { + case CHIP_CAYMAN: + default: + rdev->config.cayman.max_shader_engines = 2; + rdev->config.cayman.max_pipes_per_simd = 4; + rdev->config.cayman.max_tile_pipes = 8; + rdev->config.cayman.max_simds_per_se = 12; + rdev->config.cayman.max_backends_per_se = 4; + rdev->config.cayman.max_texture_channel_caches = 8; + rdev->config.cayman.max_gprs = 256; + rdev->config.cayman.max_threads = 256; + rdev->config.cayman.max_gs_threads = 32; + rdev->config.cayman.max_stack_entries = 512; + rdev->config.cayman.sx_num_of_sets = 8; + rdev->config.cayman.sx_max_export_size = 256; + rdev->config.cayman.sx_max_export_pos_size = 64; + rdev->config.cayman.sx_max_export_smx_size = 192; + rdev->config.cayman.max_hw_contexts = 8; + rdev->config.cayman.sq_num_cf_insts = 2; + + rdev->config.cayman.sc_prim_fifo_size = 0x100; + rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30; + rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130; + break; + } + + /* Initialize HDP */ + for (i = 0, j = 0; i < 32; i++, j += 0x18) { + WREG32((0x2c14 + j), 0x00000000); + WREG32((0x2c18 + j), 0x00000000); + WREG32((0x2c1c + j), 0x00000000); + WREG32((0x2c20 + j), 0x00000000); + WREG32((0x2c24 + j), 0x00000000); + } + + WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff)); + + mc_shared_chmap = RREG32(MC_SHARED_CHMAP); + mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG); + + cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE); + cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG); + cgts_tcc_disable = RREG32(CGTS_TCC_DISABLE); + gc_user_rb_backend_disable = RREG32(GC_USER_RB_BACKEND_DISABLE); + gc_user_shader_pipe_config = RREG32(GC_USER_SHADER_PIPE_CONFIG); + cgts_user_tcc_disable = RREG32(CGTS_USER_TCC_DISABLE); + + rdev->config.cayman.num_shader_engines = rdev->config.cayman.max_shader_engines; + tmp = ((~gc_user_shader_pipe_config) & INACTIVE_QD_PIPES_MASK) >> INACTIVE_QD_PIPES_SHIFT; + rdev->config.cayman.num_shader_pipes_per_simd = r600_count_pipe_bits(tmp); + rdev->config.cayman.num_tile_pipes = rdev->config.cayman.max_tile_pipes; + tmp = ((~gc_user_shader_pipe_config) & INACTIVE_SIMDS_MASK) >> INACTIVE_SIMDS_SHIFT; + rdev->config.cayman.num_simds_per_se = r600_count_pipe_bits(tmp); + tmp = ((~gc_user_rb_backend_disable) & BACKEND_DISABLE_MASK) >> BACKEND_DISABLE_SHIFT; + rdev->config.cayman.num_backends_per_se = r600_count_pipe_bits(tmp); + tmp = (gc_user_rb_backend_disable & BACKEND_DISABLE_MASK) >> BACKEND_DISABLE_SHIFT; + rdev->config.cayman.backend_disable_mask_per_asic = + cayman_get_disable_mask_per_asic(rdev, tmp, CAYMAN_MAX_BACKENDS_PER_SE_MASK, + rdev->config.cayman.num_shader_engines); + rdev->config.cayman.backend_map = + cayman_get_tile_pipe_to_backend_map(rdev, rdev->config.cayman.num_tile_pipes, + rdev->config.cayman.num_backends_per_se * + rdev->config.cayman.num_shader_engines, + &rdev->config.cayman.backend_disable_mask_per_asic, + rdev->config.cayman.num_shader_engines); + tmp = ((~cgts_user_tcc_disable) & TCC_DISABLE_MASK) >> TCC_DISABLE_SHIFT; + rdev->config.cayman.num_texture_channel_caches = r600_count_pipe_bits(tmp); + tmp = (mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT; + rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256; + if (rdev->config.cayman.mem_max_burst_length_bytes > 512) + rdev->config.cayman.mem_max_burst_length_bytes = 512; + tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT; + rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024; + if (rdev->config.cayman.mem_row_size_in_kb > 4) + rdev->config.cayman.mem_row_size_in_kb = 4; + /* XXX use MC settings? */ + rdev->config.cayman.shader_engine_tile_size = 32; + rdev->config.cayman.num_gpus = 1; + rdev->config.cayman.multi_gpu_tile_size = 64; + + //gb_addr_config = 0x02011003 +#if 0 + gb_addr_config = RREG32(GB_ADDR_CONFIG); +#else + gb_addr_config = 0; + switch (rdev->config.cayman.num_tile_pipes) { + case 1: + default: + gb_addr_config |= NUM_PIPES(0); + break; + case 2: + gb_addr_config |= NUM_PIPES(1); + break; + case 4: + gb_addr_config |= NUM_PIPES(2); + break; + case 8: + gb_addr_config |= NUM_PIPES(3); + break; + } + + tmp = (rdev->config.cayman.mem_max_burst_length_bytes / 256) - 1; + gb_addr_config |= PIPE_INTERLEAVE_SIZE(tmp); + gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.cayman.num_shader_engines - 1); + tmp = (rdev->config.cayman.shader_engine_tile_size / 16) - 1; + gb_addr_config |= SHADER_ENGINE_TILE_SIZE(tmp); + switch (rdev->config.cayman.num_gpus) { + case 1: + default: + gb_addr_config |= NUM_GPUS(0); + break; + case 2: + gb_addr_config |= NUM_GPUS(1); + break; + case 4: + gb_addr_config |= NUM_GPUS(2); + break; + } + switch (rdev->config.cayman.multi_gpu_tile_size) { + case 16: + gb_addr_config |= MULTI_GPU_TILE_SIZE(0); + break; + case 32: + default: + gb_addr_config |= MULTI_GPU_TILE_SIZE(1); + break; + case 64: + gb_addr_config |= MULTI_GPU_TILE_SIZE(2); + break; + case 128: + gb_addr_config |= MULTI_GPU_TILE_SIZE(3); + break; + } + switch (rdev->config.cayman.mem_row_size_in_kb) { + case 1: + default: + gb_addr_config |= ROW_SIZE(0); + break; + case 2: + gb_addr_config |= ROW_SIZE(1); + break; + case 4: + gb_addr_config |= ROW_SIZE(2); + break; + } +#endif + + tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT; + rdev->config.cayman.num_tile_pipes = (1 << tmp); + tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT; + rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256; + tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT; + rdev->config.cayman.num_shader_engines = tmp + 1; + tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT; + rdev->config.cayman.num_gpus = tmp + 1; + tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT; + rdev->config.cayman.multi_gpu_tile_size = 1 << tmp; + tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT; + rdev->config.cayman.mem_row_size_in_kb = 1 << tmp; + + //gb_backend_map = 0x76541032; +#if 0 + gb_backend_map = RREG32(GB_BACKEND_MAP); +#else + gb_backend_map = + cayman_get_tile_pipe_to_backend_map(rdev, rdev->config.cayman.num_tile_pipes, + rdev->config.cayman.num_backends_per_se * + rdev->config.cayman.num_shader_engines, + &rdev->config.cayman.backend_disable_mask_per_asic, + rdev->config.cayman.num_shader_engines); +#endif + /* setup tiling info dword. gb_addr_config is not adequate since it does + * not have bank info, so create a custom tiling dword. + * bits 3:0 num_pipes + * bits 7:4 num_banks + * bits 11:8 group_size + * bits 15:12 row_size + */ + rdev->config.cayman.tile_config = 0; + switch (rdev->config.cayman.num_tile_pipes) { + case 1: + default: + rdev->config.cayman.tile_config |= (0 << 0); + break; + case 2: + rdev->config.cayman.tile_config |= (1 << 0); + break; + case 4: + rdev->config.cayman.tile_config |= (2 << 0); + break; + case 8: + rdev->config.cayman.tile_config |= (3 << 0); + break; + } + rdev->config.cayman.tile_config |= + ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4; + rdev->config.cayman.tile_config |= + (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT; + rdev->config.cayman.tile_config |= + ((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12; + + WREG32(GB_BACKEND_MAP, gb_backend_map); + WREG32(GB_ADDR_CONFIG, gb_addr_config); + WREG32(DMIF_ADDR_CONFIG, gb_addr_config); + WREG32(HDP_ADDR_CONFIG, gb_addr_config); + + cayman_program_channel_remap(rdev); + + /* primary versions */ + WREG32(CC_RB_BACKEND_DISABLE, cc_rb_backend_disable); + WREG32(CC_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable); + WREG32(CC_GC_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config); + + WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable); + WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable); + + /* user versions */ + WREG32(GC_USER_RB_BACKEND_DISABLE, cc_rb_backend_disable); + WREG32(GC_USER_SYS_RB_BACKEND_DISABLE, cc_rb_backend_disable); + WREG32(GC_USER_SHADER_PIPE_CONFIG, cc_gc_shader_pipe_config); + + WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable); + WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable); + + /* reprogram the shader complex */ + cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG); + for (i = 0; i < 16; i++) + WREG32(CGTS_SM_CTRL_REG, OVERRIDE); + WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg); + + /* set HW defaults for 3D engine */ + WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60)); + + sx_debug_1 = RREG32(SX_DEBUG_1); + sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS; + WREG32(SX_DEBUG_1, sx_debug_1); + + smx_dc_ctl0 = RREG32(SMX_DC_CTL0); + smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff); + smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets); + WREG32(SMX_DC_CTL0, smx_dc_ctl0); + + WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE); + + /* need to be explicitly zero-ed */ + WREG32(VGT_OFFCHIP_LDS_BASE, 0); + WREG32(SQ_LSTMP_RING_BASE, 0); + WREG32(SQ_HSTMP_RING_BASE, 0); + WREG32(SQ_ESTMP_RING_BASE, 0); + WREG32(SQ_GSTMP_RING_BASE, 0); + WREG32(SQ_VSTMP_RING_BASE, 0); + WREG32(SQ_PSTMP_RING_BASE, 0); + + WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO); + + WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) | + POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) | + SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1))); + + WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) | + SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) | + SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size))); + + + WREG32(VGT_NUM_INSTANCES, 1); + + WREG32(CP_PERFMON_CNTL, 0); + + WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) | + FETCH_FIFO_HIWATER(0x4) | + DONE_FIFO_HIWATER(0xe0) | + ALU_UPDATE_FIFO_HIWATER(0x8))); + + WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4)); + WREG32(SQ_CONFIG, (VC_ENABLE | + EXPORT_SRC_C | + GFX_PRIO(0) | + CS1_PRIO(0) | + CS2_PRIO(1))); + WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE); + + WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) | + FORCE_EOV_MAX_REZ_CNT(255))); + + WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) | + AUTO_INVLD_EN(ES_AND_GS_AUTO)); + + WREG32(VGT_GS_VERTEX_REUSE, 16); + WREG32(PA_SC_LINE_STIPPLE_STATE, 0); + + WREG32(CB_PERF_CTR0_SEL_0, 0); + WREG32(CB_PERF_CTR0_SEL_1, 0); + WREG32(CB_PERF_CTR1_SEL_0, 0); + WREG32(CB_PERF_CTR1_SEL_1, 0); + WREG32(CB_PERF_CTR2_SEL_0, 0); + WREG32(CB_PERF_CTR2_SEL_1, 0); + WREG32(CB_PERF_CTR3_SEL_0, 0); + WREG32(CB_PERF_CTR3_SEL_1, 0); + + hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL); + WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl); + + WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3)); + + udelay(50); +} + +/* + * GART + */ +void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev) +{ + /* flush hdp cache */ + WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1); + + /* bits 0-7 are the VM contexts0-7 */ + WREG32(VM_INVALIDATE_REQUEST, 1); +} + +int cayman_pcie_gart_enable(struct radeon_device *rdev) +{ + int r; + + if (rdev->gart.table.vram.robj == NULL) { + dev_err(rdev->dev, "No VRAM object for PCIE GART.\n"); + return -EINVAL; + } + r = radeon_gart_table_vram_pin(rdev); + if (r) + return r; + radeon_gart_restore(rdev); + /* Setup TLB control */ + WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_TLB | + ENABLE_L1_FRAGMENT_PROCESSING | + SYSTEM_ACCESS_MODE_NOT_IN_SYS | + SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU); + /* Setup L2 cache */ + WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | + ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | + ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE | + EFFECTIVE_L2_QUEUE_SIZE(7) | + CONTEXT1_IDENTITY_ACCESS_MODE(1)); + WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE); + WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY | + L2_CACHE_BIGK_FRAGMENT_SIZE(6)); + /* setup context0 */ + WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12); + WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12); + WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12); + WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR, + (u32)(rdev->dummy_page.addr >> 12)); + WREG32(VM_CONTEXT0_CNTL2, 0); + WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) | + RANGE_PROTECTION_FAULT_ENABLE_DEFAULT); + /* disable context1-7 */ + WREG32(VM_CONTEXT1_CNTL2, 0); + WREG32(VM_CONTEXT1_CNTL, 0); + + cayman_pcie_gart_tlb_flush(rdev); + rdev->gart.ready = true; + return 0; +} + +void cayman_pcie_gart_disable(struct radeon_device *rdev) +{ + int r; + + /* Disable all tables */ + WREG32(VM_CONTEXT0_CNTL, 0); + WREG32(VM_CONTEXT1_CNTL, 0); + /* Setup TLB control */ + WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING | + SYSTEM_ACCESS_MODE_NOT_IN_SYS | + SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU); + /* Setup L2 cache */ + WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE | + ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE | + EFFECTIVE_L2_QUEUE_SIZE(7) | + CONTEXT1_IDENTITY_ACCESS_MODE(1)); + WREG32(VM_L2_CNTL2, 0); + WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY | + L2_CACHE_BIGK_FRAGMENT_SIZE(6)); + if (rdev->gart.table.vram.robj) { + r = radeon_bo_reserve(rdev->gart.table.vram.robj, false); + if (likely(r == 0)) { + radeon_bo_kunmap(rdev->gart.table.vram.robj); + radeon_bo_unpin(rdev->gart.table.vram.robj); + radeon_bo_unreserve(rdev->gart.table.vram.robj); + } + } +} + +void cayman_pcie_gart_fini(struct radeon_device *rdev) +{ + cayman_pcie_gart_disable(rdev); + radeon_gart_table_vram_free(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 { + radeon_ttm_set_active_vram_size(rdev, 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 + 19); + 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_write(rdev, 0xc0026900); + radeon_ring_write(rdev, 0x00000316); + radeon_ring_write(rdev, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */ + radeon_ring_write(rdev, 0x00000010); /* */ + + radeon_ring_unlock_commit(rdev); + + /* XXX init other rings */ + + return 0; +} + +static void cayman_cp_fini(struct radeon_device *rdev) +{ + cayman_cp_enable(rdev, false); + radeon_ring_fini(rdev); +} + +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; +} + +bool cayman_gpu_is_lockup(struct radeon_device *rdev) +{ + u32 srbm_status; + u32 grbm_status; + u32 grbm_status_se0, grbm_status_se1; + struct r100_gpu_lockup *lockup = &rdev->config.cayman.lockup; + int r; + + srbm_status = RREG32(SRBM_STATUS); + grbm_status = RREG32(GRBM_STATUS); + grbm_status_se0 = RREG32(GRBM_STATUS_SE0); + grbm_status_se1 = RREG32(GRBM_STATUS_SE1); + if (!(grbm_status & GUI_ACTIVE)) { + r100_gpu_lockup_update(lockup, &rdev->cp); + return false; + } + /* force CP activities */ + r = radeon_ring_lock(rdev, 2); + if (!r) { + /* PACKET2 NOP */ + radeon_ring_write(rdev, 0x80000000); + radeon_ring_write(rdev, 0x80000000); + radeon_ring_unlock_commit(rdev); + } + /* XXX deal with CP0,1,2 */ + rdev->cp.rptr = RREG32(CP_RB0_RPTR); + return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp); +} + +static int cayman_gpu_soft_reset(struct radeon_device *rdev) +{ + struct evergreen_mc_save save; + u32 grbm_reset = 0; + + if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE)) + return 0; + + dev_info(rdev->dev, "GPU softreset \n"); + dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", + RREG32(GRBM_STATUS)); + dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", + RREG32(GRBM_STATUS_SE0)); + dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", + RREG32(GRBM_STATUS_SE1)); + dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", + RREG32(SRBM_STATUS)); + evergreen_mc_stop(rdev, &save); + if (evergreen_mc_wait_for_idle(rdev)) { + dev_warn(rdev->dev, "Wait for MC idle timedout !\n"); + } + /* Disable CP parsing/prefetching */ + WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT); + + /* reset all the gfx blocks */ + grbm_reset = (SOFT_RESET_CP | + SOFT_RESET_CB | + SOFT_RESET_DB | + SOFT_RESET_GDS | + SOFT_RESET_PA | + SOFT_RESET_SC | + SOFT_RESET_SPI | + SOFT_RESET_SH | + SOFT_RESET_SX | + SOFT_RESET_TC | + SOFT_RESET_TA | + SOFT_RESET_VGT | + SOFT_RESET_IA); + + dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset); + WREG32(GRBM_SOFT_RESET, grbm_reset); + (void)RREG32(GRBM_SOFT_RESET); + udelay(50); + WREG32(GRBM_SOFT_RESET, 0); + (void)RREG32(GRBM_SOFT_RESET); + /* Wait a little for things to settle down */ + udelay(50); + dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n", + RREG32(GRBM_STATUS)); + dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n", + RREG32(GRBM_STATUS_SE0)); + dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n", + RREG32(GRBM_STATUS_SE1)); + dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n", + RREG32(SRBM_STATUS)); + evergreen_mc_resume(rdev, &save); + return 0; +} + +int cayman_asic_reset(struct radeon_device *rdev) +{ + return cayman_gpu_soft_reset(rdev); +} + +static int cayman_startup(struct radeon_device *rdev) +{ + int r; + + if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) { + r = ni_init_microcode(rdev); + if (r) { + DRM_ERROR("Failed to load firmware!\n"); + return r; + } + } + r = ni_mc_load_microcode(rdev); + if (r) { + DRM_ERROR("Failed to load MC firmware!\n"); + return r; + } + + evergreen_mc_program(rdev); + r = cayman_pcie_gart_enable(rdev); + if (r) + return r; + cayman_gpu_init(rdev); + +#if 0 + r = cayman_blit_init(rdev); + if (r) { + cayman_blit_fini(rdev); + rdev->asic->copy = NULL; + dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r); + } +#endif + + /* allocate wb buffer */ + r = radeon_wb_init(rdev); + if (r) + return r; + + /* Enable IRQ */ + r = r600_irq_init(rdev); + if (r) { + DRM_ERROR("radeon: IH init failed (%d).\n", r); + radeon_irq_kms_fini(rdev); + return r; + } + evergreen_irq_set(rdev); + + r = radeon_ring_init(rdev, rdev->cp.ring_size); + if (r) + return r; + r = cayman_cp_load_microcode(rdev); + if (r) + return r; + r = cayman_cp_resume(rdev); + if (r) + return r; + + return 0; +} + +int cayman_resume(struct radeon_device *rdev) +{ + int r; + + /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw, + * posting will perform necessary task to bring back GPU into good + * shape. + */ + /* post card */ + atom_asic_init(rdev->mode_info.atom_context); + + r = cayman_startup(rdev); + if (r) { + DRM_ERROR("cayman startup failed on resume\n"); + return r; + } + + r = r600_ib_test(rdev); + if (r) { + DRM_ERROR("radeon: failled testing IB (%d).\n", r); + return r; + } + + return r; + +} + +int cayman_suspend(struct radeon_device *rdev) +{ + /* int r; */ + + /* FIXME: we should wait for ring to be empty */ + cayman_cp_enable(rdev, false); + rdev->cp.ready = false; + evergreen_irq_suspend(rdev); + radeon_wb_disable(rdev); + cayman_pcie_gart_disable(rdev); + +#if 0 + /* unpin shaders bo */ + r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); + if (likely(r == 0)) { + radeon_bo_unpin(rdev->r600_blit.shader_obj); + radeon_bo_unreserve(rdev->r600_blit.shader_obj); + } +#endif + return 0; +} + +/* Plan is to move initialization in that function and use + * helper function so that radeon_device_init pretty much + * do nothing more than calling asic specific function. This + * should also allow to remove a bunch of callback function + * like vram_info. + */ +int cayman_init(struct radeon_device *rdev) +{ + int r; + + /* This don't do much */ + r = radeon_gem_init(rdev); + if (r) + return r; + /* Read BIOS */ + if (!radeon_get_bios(rdev)) { + if (ASIC_IS_AVIVO(rdev)) + return -EINVAL; + } + /* Must be an ATOMBIOS */ + if (!rdev->is_atom_bios) { + dev_err(rdev->dev, "Expecting atombios for cayman GPU\n"); + return -EINVAL; + } + r = radeon_atombios_init(rdev); + if (r) + return r; + + /* Post card if necessary */ + if (!radeon_card_posted(rdev)) { + if (!rdev->bios) { + dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n"); + return -EINVAL; + } + DRM_INFO("GPU not posted. posting now...\n"); + atom_asic_init(rdev->mode_info.atom_context); + } + /* Initialize scratch registers */ + r600_scratch_init(rdev); + /* Initialize surface registers */ + radeon_surface_init(rdev); + /* Initialize clocks */ + radeon_get_clock_info(rdev->ddev); + /* Fence driver */ + r = radeon_fence_driver_init(rdev); + if (r) + return r; + /* initialize memory controller */ + r = evergreen_mc_init(rdev); + if (r) + return r; + /* Memory manager */ + r = radeon_bo_init(rdev); + if (r) + return r; + + r = radeon_irq_kms_init(rdev); + if (r) + return r; + + rdev->cp.ring_obj = NULL; + r600_ring_init(rdev, 1024 * 1024); + + rdev->ih.ring_obj = NULL; + r600_ih_ring_init(rdev, 64 * 1024); + + r = r600_pcie_gart_init(rdev); + if (r) + return r; + + rdev->accel_working = true; + r = cayman_startup(rdev); + if (r) { + dev_err(rdev->dev, "disabling GPU acceleration\n"); + cayman_cp_fini(rdev); + r600_irq_fini(rdev); + radeon_wb_fini(rdev); + radeon_irq_kms_fini(rdev); + cayman_pcie_gart_fini(rdev); + rdev->accel_working = false; + } + if (rdev->accel_working) { + r = radeon_ib_pool_init(rdev); + if (r) { + DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r); + rdev->accel_working = false; + } + r = r600_ib_test(rdev); + if (r) { + DRM_ERROR("radeon: failed testing IB (%d).\n", r); + rdev->accel_working = false; + } + } + + /* Don't start up if the MC ucode is missing. + * The default clocks and voltages before the MC ucode + * is loaded are not suffient for advanced operations. + */ + if (!rdev->mc_fw) { + DRM_ERROR("radeon: MC ucode required for NI+.\n"); + return -EINVAL; + } + + return 0; +} + +void cayman_fini(struct radeon_device *rdev) +{ + /* cayman_blit_fini(rdev); */ + cayman_cp_fini(rdev); + r600_irq_fini(rdev); + radeon_wb_fini(rdev); + radeon_irq_kms_fini(rdev); + cayman_pcie_gart_fini(rdev); + radeon_gem_fini(rdev); + radeon_fence_driver_fini(rdev); + radeon_bo_fini(rdev); + radeon_atombios_fini(rdev); + kfree(rdev->bios); + rdev->bios = NULL; +} + |