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From 3e3f2f1f9514969b9df1b64a9a12a7a5a1aa7550 Mon Sep 17 00:00:00 2001
From: Ben Hutchings <ben@decadent.org.uk>
Date: Wed, 15 Oct 2008 01:29:35 +0100
Subject: [PATCH 06/24] radeon: Use request_firmware() to load CP microcode
Tested on Radeon 7500 (RV200) with and without firmware installed.
---
drivers/gpu/drm/Kconfig | 2 +-
drivers/gpu/drm/radeon/radeon_cp.c | 115 +++++++++++++++++++++++------------
drivers/gpu/drm/radeon/radeon_drv.h | 6 ++
3 files changed, 83 insertions(+), 40 deletions(-)
diff --git a/drivers/gpu/drm/Kconfig b/drivers/gpu/drm/Kconfig
index a93d249..09ed655 100644
--- a/drivers/gpu/drm/Kconfig
+++ b/drivers/gpu/drm/Kconfig
@@ -35,7 +35,7 @@ config DRM_R128
config DRM_RADEON
tristate "ATI Radeon"
depends on DRM && PCI
- depends on BROKEN
+ select FW_LOADER
help
Choose this option if you have an ATI Radeon graphics card. There
are both PCI and AGP versions. You don't need to choose this to
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index dcebb4b..a460149 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -35,10 +35,23 @@
#include "radeon_drv.h"
#include "r300_reg.h"
-#include "radeon_microcode.h"
-
#define RADEON_FIFO_DEBUG 0
+/* Firmware Names */
+#define FIRMWARE_R100 "radeon/R100_cp.bin"
+#define FIRMWARE_R200 "radeon/R200_cp.bin"
+#define FIRMWARE_R300 "radeon/R300_cp.bin"
+#define FIRMWARE_R420 "radeon/R420_cp.bin"
+#define FIRMWARE_RS690 "radeon/RS690_cp.bin"
+#define FIRMWARE_R520 "radeon/R520_cp.bin"
+
+MODULE_FIRMWARE(FIRMWARE_R100);
+MODULE_FIRMWARE(FIRMWARE_R200);
+MODULE_FIRMWARE(FIRMWARE_R300);
+MODULE_FIRMWARE(FIRMWARE_R420);
+MODULE_FIRMWARE(FIRMWARE_RS690);
+MODULE_FIRMWARE(FIRMWARE_R520);
+
static int radeon_do_cleanup_cp(struct drm_device * dev);
static void radeon_do_cp_start(drm_radeon_private_t * dev_priv);
@@ -318,37 +331,34 @@ static void radeon_init_pipes(drm_radeon_private_t *dev_priv)
*/
/* Load the microcode for the CP */
-static void radeon_cp_load_microcode(drm_radeon_private_t * dev_priv)
+static int radeon_cp_init_microcode(drm_radeon_private_t *dev_priv)
{
- int i;
+ struct platform_device *pdev;
+ const char *fw_name = NULL;
+ int err;
+
DRM_DEBUG("\n");
- radeon_do_wait_for_idle(dev_priv);
+ 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;
+ }
- RADEON_WRITE(RADEON_CP_ME_RAM_ADDR, 0);
if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R100) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV100) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV200) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS100) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS200)) {
DRM_INFO("Loading R100 Microcode\n");
- for (i = 0; i < 256; i++) {
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
- R100_cp_microcode[i][1]);
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
- R100_cp_microcode[i][0]);
- }
+ fw_name = FIRMWARE_R100;
} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R200) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV250) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV280) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS300)) {
DRM_INFO("Loading R200 Microcode\n");
- for (i = 0; i < 256; i++) {
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
- R200_cp_microcode[i][1]);
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
- R200_cp_microcode[i][0]);
- }
+ fw_name = FIRMWARE_R200;
} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R300) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R350) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV350) ||
@@ -356,31 +366,16 @@ static void radeon_cp_load_microcode(drm_radeon_private_t * dev_priv)
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS400) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS480)) {
DRM_INFO("Loading R300 Microcode\n");
- for (i = 0; i < 256; i++) {
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
- R300_cp_microcode[i][1]);
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
- R300_cp_microcode[i][0]);
- }
+ fw_name = FIRMWARE_R300;
} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R420) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R423) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV410)) {
DRM_INFO("Loading R400 Microcode\n");
- for (i = 0; i < 256; i++) {
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
- R420_cp_microcode[i][1]);
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
- R420_cp_microcode[i][0]);
- }
+ fw_name = FIRMWARE_R420;
} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS690) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RS740)) {
DRM_INFO("Loading RS690/RS740 Microcode\n");
- for (i = 0; i < 256; i++) {
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
- RS690_cp_microcode[i][1]);
- RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
- RS690_cp_microcode[i][0]);
- }
+ fw_name = FIRMWARE_RS690;
} else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV515) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R520) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV530) ||
@@ -388,11 +383,41 @@ static void radeon_cp_load_microcode(drm_radeon_private_t * dev_priv)
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV560) ||
((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV570)) {
DRM_INFO("Loading R500 Microcode\n");
- for (i = 0; i < 256; i++) {
+ fw_name = FIRMWARE_R520;
+ }
+
+ err = request_firmware(&dev_priv->fw, fw_name, &pdev->dev);
+ platform_device_unregister(pdev);
+ if (err) {
+ printk(KERN_ERR "radeon_cp: Failed to load firmware \"%s\"\n",
+ fw_name);
+ } else if (dev_priv->fw->size % 8) {
+ printk(KERN_ERR
+ "radeon_cp: Bogus length %zu in firmware \"%s\"\n",
+ dev_priv->fw->size, fw_name);
+ err = -EINVAL;
+ release_firmware(dev_priv->fw);
+ dev_priv->fw = NULL;
+ }
+ return err;
+}
+
+static void radeon_cp_load_microcode(drm_radeon_private_t *dev_priv)
+{
+ const __be32 *fw_data;
+ int i, size;
+
+ radeon_do_wait_for_idle(dev_priv);
+
+ if (dev_priv->fw) {
+ size = dev_priv->fw->size / 4;
+ fw_data = (const __be32 *)&dev_priv->fw->data[0];
+ RADEON_WRITE(RADEON_CP_ME_RAM_ADDR, 0);
+ for (i = 0; i < size; i += 2) {
RADEON_WRITE(RADEON_CP_ME_RAM_DATAH,
- R520_cp_microcode[i][1]);
+ be32_to_cpup(&fw_data[i]));
RADEON_WRITE(RADEON_CP_ME_RAM_DATAL,
- R520_cp_microcode[i][0]);
+ be32_to_cpup(&fw_data[i + 1]));
}
}
}
@@ -1216,6 +1241,14 @@ static int radeon_do_init_cp(struct drm_device * dev, drm_radeon_init_t * init)
radeon_set_pcigart(dev_priv, 1);
}
+ if (!dev_priv->fw) {
+ int err = radeon_cp_init_microcode(dev_priv);
+ if (err) {
+ DRM_ERROR("Failed to load firmware!\n");
+ radeon_do_cleanup_cp(dev);
+ return err;
+ }
+ }
radeon_cp_load_microcode(dev_priv);
radeon_cp_init_ring_buffer(dev, dev_priv);
@@ -1442,6 +1475,10 @@ void radeon_do_release(struct drm_device * dev)
/* deallocate kernel resources */
radeon_do_cleanup_cp(dev);
+ if (dev_priv->fw) {
+ release_firmware(dev_priv->fw);
+ dev_priv->fw = NULL;
+ }
}
}
diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h
index 3bbb871..51984d7 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.h
+++ b/drivers/gpu/drm/radeon/radeon_drv.h
@@ -31,6 +31,9 @@
#ifndef __RADEON_DRV_H__
#define __RADEON_DRV_H__
+#include <linux/firmware.h>
+#include <linux/platform_device.h>
+
/* General customization:
*/
@@ -317,6 +320,9 @@ typedef struct drm_radeon_private {
int num_gb_pipes;
int track_flush;
drm_local_map_t *mmio;
+
+ /* firmware */
+ const struct firmware *fw;
} drm_radeon_private_t;
typedef struct drm_radeon_buf_priv {
--
1.6.1.3
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