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Commit 02c81327 authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/radeon: add initial ucode loading for CIK (v5) 



Currently the driver required 6 sets of ucode:
1. pfp - pre-fetch parser, part of the GFX CP
2. me - micro engine, part of the GFX CP
3. ce - constant engine, part of the GFX CP
4. rlc - interrupt, etc. controller
5. mc - memory controller (discrete cards only)
6. mec - compute engines, part of Compute CP

V2: add documentation
V3: update MC ucode
V4: rebase
V5: update mc ucode

Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent a00024b0

drivers/gpu/drm/radeon/cik.c

+180 −0
Original line number Diff line number Diff line
@@ -31,10 +31,190 @@ 
#include "cikd.h"

#include "atom.h"



/* GFX */

#define CIK_PFP_UCODE_SIZE 2144

#define CIK_ME_UCODE_SIZE 2144

#define CIK_CE_UCODE_SIZE 2144

/* compute */

#define CIK_MEC_UCODE_SIZE 4192

/* interrupts */

#define BONAIRE_RLC_UCODE_SIZE 2048

#define KB_RLC_UCODE_SIZE 2560

#define KV_RLC_UCODE_SIZE 2560

/* gddr controller */

#define CIK_MC_UCODE_SIZE 7866



MODULE_FIRMWARE("radeon/BONAIRE_pfp.bin");

MODULE_FIRMWARE("radeon/BONAIRE_me.bin");

MODULE_FIRMWARE("radeon/BONAIRE_ce.bin");

MODULE_FIRMWARE("radeon/BONAIRE_mec.bin");

MODULE_FIRMWARE("radeon/BONAIRE_mc.bin");

MODULE_FIRMWARE("radeon/BONAIRE_rlc.bin");

MODULE_FIRMWARE("radeon/KAVERI_pfp.bin");

MODULE_FIRMWARE("radeon/KAVERI_me.bin");

MODULE_FIRMWARE("radeon/KAVERI_ce.bin");

MODULE_FIRMWARE("radeon/KAVERI_mec.bin");

MODULE_FIRMWARE("radeon/KAVERI_rlc.bin");

MODULE_FIRMWARE("radeon/KABINI_pfp.bin");

MODULE_FIRMWARE("radeon/KABINI_me.bin");

MODULE_FIRMWARE("radeon/KABINI_ce.bin");

MODULE_FIRMWARE("radeon/KABINI_mec.bin");

MODULE_FIRMWARE("radeon/KABINI_rlc.bin");



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 void si_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc);



/**

 * cik_init_microcode - load ucode images from disk

 *

 * @rdev: radeon_device pointer

 *

 * Use the firmware interface to load the ucode images into

 * the driver (not loaded into hw).

 * Returns 0 on success, error on failure.

 */

static int cik_init_microcode(struct radeon_device *rdev)

{

	struct platform_device *pdev;

	const char *chip_name;

	size_t pfp_req_size, me_req_size, ce_req_size,

		mec_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_BONAIRE:

		chip_name = "BONAIRE";

		pfp_req_size = CIK_PFP_UCODE_SIZE * 4;

		me_req_size = CIK_ME_UCODE_SIZE * 4;

		ce_req_size = CIK_CE_UCODE_SIZE * 4;

		mec_req_size = CIK_MEC_UCODE_SIZE * 4;

		rlc_req_size = BONAIRE_RLC_UCODE_SIZE * 4;

		mc_req_size = CIK_MC_UCODE_SIZE * 4;

		break;

	case CHIP_KAVERI:

		chip_name = "KAVERI";

		pfp_req_size = CIK_PFP_UCODE_SIZE * 4;

		me_req_size = CIK_ME_UCODE_SIZE * 4;

		ce_req_size = CIK_CE_UCODE_SIZE * 4;

		mec_req_size = CIK_MEC_UCODE_SIZE * 4;

		rlc_req_size = KV_RLC_UCODE_SIZE * 4;

		break;

	case CHIP_KABINI:

		chip_name = "KABINI";

		pfp_req_size = CIK_PFP_UCODE_SIZE * 4;

		me_req_size = CIK_ME_UCODE_SIZE * 4;

		ce_req_size = CIK_CE_UCODE_SIZE * 4;

		mec_req_size = CIK_MEC_UCODE_SIZE * 4;

		rlc_req_size = KB_RLC_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

		       "cik_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

		       "cik_cp: Bogus length %zu in firmware \"%s\"\n",

		       rdev->me_fw->size, fw_name);

		err = -EINVAL;

	}



	snprintf(fw_name, sizeof(fw_name), "radeon/%s_ce.bin", chip_name);

	err = request_firmware(&rdev->ce_fw, fw_name, &pdev->dev);

	if (err)

		goto out;

	if (rdev->ce_fw->size != ce_req_size) {

		printk(KERN_ERR

		       "cik_cp: Bogus length %zu in firmware \"%s\"\n",

		       rdev->ce_fw->size, fw_name);

		err = -EINVAL;

	}



	snprintf(fw_name, sizeof(fw_name), "radeon/%s_mec.bin", chip_name);

	err = request_firmware(&rdev->mec_fw, fw_name, &pdev->dev);

	if (err)

		goto out;

	if (rdev->mec_fw->size != mec_req_size) {

		printk(KERN_ERR

		       "cik_cp: Bogus length %zu in firmware \"%s\"\n",

		       rdev->mec_fw->size, fw_name);

		err = -EINVAL;

	}



	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", 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

		       "cik_rlc: Bogus length %zu in firmware \"%s\"\n",

		       rdev->rlc_fw->size, fw_name);

		err = -EINVAL;

	}



	/* No MC ucode on APUs */

	if (!(rdev->flags & RADEON_IS_IGP)) {

		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

			       "cik_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

			       "cik_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->ce_fw);

		rdev->ce_fw = NULL;

		release_firmware(rdev->rlc_fw);

		rdev->rlc_fw = NULL;

		release_firmware(rdev->mc_fw);

		rdev->mc_fw = NULL;

	}

	return err;

}



/*

 * Core functions

 */

drivers/gpu/drm/radeon/radeon.h

+1 −0
Original line number Diff line number Diff line
@@ -1714,6 +1714,7 @@ struct radeon_device { 
	const struct firmware *mc_fw;	/* NI MC firmware */

	const struct firmware *ce_fw;	/* SI CE firmware */

	const struct firmware *uvd_fw;	/* UVD firmware */

	const struct firmware *mec_fw;	/* CIK MEC firmware */

	struct r600_blit r600_blit;

	struct r600_vram_scratch vram_scratch;

	int msi_enabled; /* msi enabled */