|  | /* | 
|  | * 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" | 
|  |  | 
|  | #define EVERGREEN_PFP_UCODE_SIZE 1120 | 
|  | #define EVERGREEN_PM4_UCODE_SIZE 1376 | 
|  | #define EVERGREEN_RLC_UCODE_SIZE 768 | 
|  | #define BTC_MC_UCODE_SIZE 6024 | 
|  |  | 
|  | /* 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"); | 
|  |  | 
|  | #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} | 
|  | }; | 
|  |  | 
|  | int btc_mc_load_microcode(struct radeon_device *rdev) | 
|  | { | 
|  | const __be32 *fw_data; | 
|  | u32 mem_type, running, blackout = 0; | 
|  | u32 *io_mc_regs; | 
|  | int i; | 
|  |  | 
|  | if (!rdev->mc_fw) | 
|  | return -EINVAL; | 
|  |  | 
|  | switch (rdev->family) { | 
|  | case CHIP_BARTS: | 
|  | io_mc_regs = (u32 *)&barts_io_mc_regs; | 
|  | break; | 
|  | case CHIP_TURKS: | 
|  | io_mc_regs = (u32 *)&turks_io_mc_regs; | 
|  | break; | 
|  | case CHIP_CAICOS: | 
|  | default: | 
|  | io_mc_regs = (u32 *)&caicos_io_mc_regs; | 
|  | 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 < BTC_IO_MC_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 < BTC_MC_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"; | 
|  | break; | 
|  | case CHIP_TURKS: | 
|  | chip_name = "TURKS"; | 
|  | rlc_chip_name = "BTC"; | 
|  | break; | 
|  | case CHIP_CAICOS: | 
|  | chip_name = "CAICOS"; | 
|  | rlc_chip_name = "BTC"; | 
|  | break; | 
|  | default: BUG(); | 
|  | } | 
|  |  | 
|  | 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; | 
|  |  | 
|  | 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; | 
|  | } | 
|  |  |