From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/drivers/gpu/drm/ast/ast_dp501.c | 181 ++++++++++++++++++++++++++++++++-------------
1 files changed, 128 insertions(+), 53 deletions(-)
diff --git a/kernel/drivers/gpu/drm/ast/ast_dp501.c b/kernel/drivers/gpu/drm/ast/ast_dp501.c
index 4c7375b..cd93c44 100644
--- a/kernel/drivers/gpu/drm/ast/ast_dp501.c
+++ b/kernel/drivers/gpu/drm/ast/ast_dp501.c
@@ -1,15 +1,31 @@
// SPDX-License-Identifier: GPL-2.0
+#include <linux/delay.h>
#include <linux/firmware.h>
-#include <drm/drmP.h>
+#include <linux/module.h>
+
#include "ast_drv.h"
+
MODULE_FIRMWARE("ast_dp501_fw.bin");
+
+static void ast_release_firmware(void *data)
+{
+ struct ast_private *ast = data;
+
+ release_firmware(ast->dp501_fw);
+ ast->dp501_fw = NULL;
+}
static int ast_load_dp501_microcode(struct drm_device *dev)
{
- struct ast_private *ast = dev->dev_private;
+ struct ast_private *ast = to_ast_private(dev);
+ int ret;
- return request_firmware(&ast->dp501_fw, "ast_dp501_fw.bin", dev->dev);
+ ret = request_firmware(&ast->dp501_fw, "ast_dp501_fw.bin", dev->dev);
+ if (ret)
+ return ret;
+
+ return devm_add_action_or_reset(dev->dev, ast_release_firmware, ast);
}
static void send_ack(struct ast_private *ast)
@@ -90,7 +106,7 @@
static bool ast_write_cmd(struct drm_device *dev, u8 data)
{
- struct ast_private *ast = dev->dev_private;
+ struct ast_private *ast = to_ast_private(dev);
int retry = 0;
if (wait_nack(ast)) {
send_nack(ast);
@@ -112,7 +128,7 @@
static bool ast_write_data(struct drm_device *dev, u8 data)
{
- struct ast_private *ast = dev->dev_private;
+ struct ast_private *ast = to_ast_private(dev);
if (wait_nack(ast)) {
send_nack(ast);
@@ -130,7 +146,7 @@
#if 0
static bool ast_read_data(struct drm_device *dev, u8 *data)
{
- struct ast_private *ast = dev->dev_private;
+ struct ast_private *ast = to_ast_private(dev);
u8 tmp;
*data = 0;
@@ -169,9 +185,12 @@
bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size)
{
- struct ast_private *ast = dev->dev_private;
+ struct ast_private *ast = to_ast_private(dev);
u32 i, data;
u32 boot_address;
+
+ if (ast->config_mode != ast_use_p2a)
+ return false;
data = ast_mindwm(ast, 0x1e6e2100) & 0x01;
if (data) {
@@ -185,11 +204,14 @@
static bool ast_launch_m68k(struct drm_device *dev)
{
- struct ast_private *ast = dev->dev_private;
+ struct ast_private *ast = to_ast_private(dev);
u32 i, data, len = 0;
u32 boot_address;
u8 *fw_addr = NULL;
u8 jreg;
+
+ if (ast->config_mode != ast_use_p2a)
+ return false;
data = ast_mindwm(ast, 0x1e6e2100) & 0x01;
if (!data) {
@@ -252,56 +274,117 @@
u8 ast_get_dp501_max_clk(struct drm_device *dev)
{
- struct ast_private *ast = dev->dev_private;
+ struct ast_private *ast = to_ast_private(dev);
u32 boot_address, offset, data;
u8 linkcap[4], linkrate, linklanes, maxclk = 0xff;
+ u32 *plinkcap;
- boot_address = get_fw_base(ast);
+ if (ast->config_mode == ast_use_p2a) {
+ boot_address = get_fw_base(ast);
- /* validate FW version */
- offset = 0xf000;
- data = ast_mindwm(ast, boot_address + offset);
- if ((data & 0xf0) != 0x10) /* version: 1x */
- return maxclk;
+ /* validate FW version */
+ offset = AST_DP501_GBL_VERSION;
+ data = ast_mindwm(ast, boot_address + offset);
+ if ((data & AST_DP501_FW_VERSION_MASK) != AST_DP501_FW_VERSION_1) /* version: 1x */
+ return maxclk;
- /* Read Link Capability */
- offset = 0xf014;
- *(u32 *)linkcap = ast_mindwm(ast, boot_address + offset);
- if (linkcap[2] == 0) {
- linkrate = linkcap[0];
- linklanes = linkcap[1];
- data = (linkrate == 0x0a) ? (90 * linklanes) : (54 * linklanes);
- if (data > 0xff)
- data = 0xff;
- maxclk = (u8)data;
+ /* Read Link Capability */
+ offset = AST_DP501_LINKRATE;
+ plinkcap = (u32 *)linkcap;
+ *plinkcap = ast_mindwm(ast, boot_address + offset);
+ if (linkcap[2] == 0) {
+ linkrate = linkcap[0];
+ linklanes = linkcap[1];
+ data = (linkrate == 0x0a) ? (90 * linklanes) : (54 * linklanes);
+ if (data > 0xff)
+ data = 0xff;
+ maxclk = (u8)data;
+ }
+ } else {
+ if (!ast->dp501_fw_buf)
+ return AST_DP501_DEFAULT_DCLK; /* 1024x768 as default */
+
+ /* dummy read */
+ offset = 0x0000;
+ data = readl(ast->dp501_fw_buf + offset);
+
+ /* validate FW version */
+ offset = AST_DP501_GBL_VERSION;
+ data = readl(ast->dp501_fw_buf + offset);
+ if ((data & AST_DP501_FW_VERSION_MASK) != AST_DP501_FW_VERSION_1) /* version: 1x */
+ return maxclk;
+
+ /* Read Link Capability */
+ offset = AST_DP501_LINKRATE;
+ plinkcap = (u32 *)linkcap;
+ *plinkcap = readl(ast->dp501_fw_buf + offset);
+ if (linkcap[2] == 0) {
+ linkrate = linkcap[0];
+ linklanes = linkcap[1];
+ data = (linkrate == 0x0a) ? (90 * linklanes) : (54 * linklanes);
+ if (data > 0xff)
+ data = 0xff;
+ maxclk = (u8)data;
+ }
}
return maxclk;
}
bool ast_dp501_read_edid(struct drm_device *dev, u8 *ediddata)
{
- struct ast_private *ast = dev->dev_private;
+ struct ast_private *ast = to_ast_private(dev);
u32 i, boot_address, offset, data;
+ u32 *pEDIDidx;
- boot_address = get_fw_base(ast);
+ if (ast->config_mode == ast_use_p2a) {
+ boot_address = get_fw_base(ast);
- /* validate FW version */
- offset = 0xf000;
- data = ast_mindwm(ast, boot_address + offset);
- if ((data & 0xf0) != 0x10)
- return false;
+ /* validate FW version */
+ offset = AST_DP501_GBL_VERSION;
+ data = ast_mindwm(ast, boot_address + offset);
+ if ((data & AST_DP501_FW_VERSION_MASK) != AST_DP501_FW_VERSION_1)
+ return false;
- /* validate PnP Monitor */
- offset = 0xf010;
- data = ast_mindwm(ast, boot_address + offset);
- if (!(data & 0x01))
- return false;
+ /* validate PnP Monitor */
+ offset = AST_DP501_PNPMONITOR;
+ data = ast_mindwm(ast, boot_address + offset);
+ if (!(data & AST_DP501_PNP_CONNECTED))
+ return false;
- /* Read EDID */
- offset = 0xf020;
- for (i = 0; i < 128; i += 4) {
- data = ast_mindwm(ast, boot_address + offset + i);
- *(u32 *)(ediddata + i) = data;
+ /* Read EDID */
+ offset = AST_DP501_EDID_DATA;
+ for (i = 0; i < 128; i += 4) {
+ data = ast_mindwm(ast, boot_address + offset + i);
+ pEDIDidx = (u32 *)(ediddata + i);
+ *pEDIDidx = data;
+ }
+ } else {
+ if (!ast->dp501_fw_buf)
+ return false;
+
+ /* dummy read */
+ offset = 0x0000;
+ data = readl(ast->dp501_fw_buf + offset);
+
+ /* validate FW version */
+ offset = AST_DP501_GBL_VERSION;
+ data = readl(ast->dp501_fw_buf + offset);
+ if ((data & AST_DP501_FW_VERSION_MASK) != AST_DP501_FW_VERSION_1)
+ return false;
+
+ /* validate PnP Monitor */
+ offset = AST_DP501_PNPMONITOR;
+ data = readl(ast->dp501_fw_buf + offset);
+ if (!(data & AST_DP501_PNP_CONNECTED))
+ return false;
+
+ /* Read EDID */
+ offset = AST_DP501_EDID_DATA;
+ for (i = 0; i < 128; i += 4) {
+ data = readl(ast->dp501_fw_buf + offset + i);
+ pEDIDidx = (u32 *)(ediddata + i);
+ *pEDIDidx = data;
+ }
}
return true;
@@ -309,7 +392,7 @@
static bool ast_init_dvo(struct drm_device *dev)
{
- struct ast_private *ast = dev->dev_private;
+ struct ast_private *ast = to_ast_private(dev);
u8 jreg;
u32 data;
ast_write32(ast, 0xf004, 0x1e6e0000);
@@ -382,7 +465,7 @@
static void ast_init_analog(struct drm_device *dev)
{
- struct ast_private *ast = dev->dev_private;
+ struct ast_private *ast = to_ast_private(dev);
u32 data;
/*
@@ -409,7 +492,7 @@
void ast_init_3rdtx(struct drm_device *dev)
{
- struct ast_private *ast = dev->dev_private;
+ struct ast_private *ast = to_ast_private(dev);
u8 jreg;
if (ast->chip == AST2300 || ast->chip == AST2400) {
@@ -431,12 +514,4 @@
ast_init_analog(dev);
}
}
-}
-
-void ast_release_firmware(struct drm_device *dev)
-{
- struct ast_private *ast = dev->dev_private;
-
- release_firmware(ast->dp501_fw);
- ast->dp501_fw = NULL;
}
--
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