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path: root/drivers/gpu/drm/ast/ast_main.c
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Diffstat (limited to 'drivers/gpu/drm/ast/ast_main.c')
-rw-r--r--drivers/gpu/drm/ast/ast_main.c152
1 files changed, 85 insertions, 67 deletions
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index 7f6152d374c..a2cc6be9798 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -66,12 +66,16 @@ uint8_t ast_get_index_reg_mask(struct ast_private *ast,
static int ast_detect_chip(struct drm_device *dev)
{
struct ast_private *ast = dev->dev_private;
+ uint32_t data, jreg;
if (dev->pdev->device == PCI_CHIP_AST1180) {
ast->chip = AST1100;
DRM_INFO("AST 1180 detected\n");
} else {
- if (dev->pdev->revision >= 0x20) {
+ if (dev->pdev->revision >= 0x30) {
+ ast->chip = AST2400;
+ DRM_INFO("AST 2400 detected\n");
+ } else if (dev->pdev->revision >= 0x20) {
ast->chip = AST2300;
DRM_INFO("AST 2300 detected\n");
} else if (dev->pdev->revision >= 0x10) {
@@ -104,6 +108,59 @@ static int ast_detect_chip(struct drm_device *dev)
DRM_INFO("AST 2000 detected\n");
}
}
+
+ switch (ast->chip) {
+ case AST1180:
+ ast->support_wide_screen = true;
+ break;
+ case AST2000:
+ ast->support_wide_screen = false;
+ break;
+ default:
+ jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
+ if (!(jreg & 0x80))
+ ast->support_wide_screen = true;
+ else if (jreg & 0x01)
+ ast->support_wide_screen = true;
+ else {
+ ast->support_wide_screen = false;
+ ast_write32(ast, 0xf004, 0x1e6e0000);
+ ast_write32(ast, 0xf000, 0x1);
+ data = ast_read32(ast, 0x1207c);
+ data &= 0x300;
+ if (ast->chip == AST2300 && data == 0x0) /* ast1300 */
+ ast->support_wide_screen = true;
+ if (ast->chip == AST2400 && data == 0x100) /* ast1400 */
+ ast->support_wide_screen = true;
+ }
+ break;
+ }
+
+ ast->tx_chip_type = AST_TX_NONE;
+ jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xa3, 0xff);
+ if (jreg & 0x80)
+ ast->tx_chip_type = AST_TX_SIL164;
+ if ((ast->chip == AST2300) || (ast->chip == AST2400)) {
+ jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd1, 0xff);
+ switch (jreg) {
+ case 0x04:
+ ast->tx_chip_type = AST_TX_SIL164;
+ break;
+ case 0x08:
+ ast->dp501_fw_addr = kzalloc(32*1024, GFP_KERNEL);
+ if (ast->dp501_fw_addr) {
+ /* backup firmware */
+ if (ast_backup_fw(dev, ast->dp501_fw_addr, 32*1024)) {
+ kfree(ast->dp501_fw_addr);
+ ast->dp501_fw_addr = NULL;
+ }
+ }
+ /* fallthrough */
+ case 0x0c:
+ ast->tx_chip_type = AST_TX_DP501;
+ }
+ }
+
return 0;
}
@@ -129,7 +186,7 @@ static int ast_get_dram_info(struct drm_device *dev)
else
ast->dram_bus_width = 32;
- if (ast->chip == AST2300) {
+ if (ast->chip == AST2300 || ast->chip == AST2400) {
switch (data & 0x03) {
case 0:
ast->dram_type = AST_DRAM_512Mx16;
@@ -189,53 +246,6 @@ static int ast_get_dram_info(struct drm_device *dev)
return 0;
}
-uint32_t ast_get_max_dclk(struct drm_device *dev, int bpp)
-{
- struct ast_private *ast = dev->dev_private;
- uint32_t dclk, jreg;
- uint32_t dram_bus_width, mclk, dram_bandwidth, actual_dram_bandwidth, dram_efficency = 500;
-
- dram_bus_width = ast->dram_bus_width;
- mclk = ast->mclk;
-
- if (ast->chip == AST2100 ||
- ast->chip == AST1100 ||
- ast->chip == AST2200 ||
- ast->chip == AST2150 ||
- ast->dram_bus_width == 16)
- dram_efficency = 600;
- else if (ast->chip == AST2300)
- dram_efficency = 400;
-
- dram_bandwidth = mclk * dram_bus_width * 2 / 8;
- actual_dram_bandwidth = dram_bandwidth * dram_efficency / 1000;
-
- if (ast->chip == AST1180)
- dclk = actual_dram_bandwidth / ((bpp + 1) / 8);
- else {
- jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xd0, 0xff);
- if ((jreg & 0x08) && (ast->chip == AST2000))
- dclk = actual_dram_bandwidth / ((bpp + 1 + 16) / 8);
- else if ((jreg & 0x08) && (bpp == 8))
- dclk = actual_dram_bandwidth / ((bpp + 1 + 24) / 8);
- else
- dclk = actual_dram_bandwidth / ((bpp + 1) / 8);
- }
-
- if (ast->chip == AST2100 ||
- ast->chip == AST2200 ||
- ast->chip == AST2300 ||
- ast->chip == AST1180) {
- if (dclk > 200)
- dclk = 200;
- } else {
- if (dclk > 165)
- dclk = 165;
- }
-
- return dclk;
-}
-
static void ast_user_framebuffer_destroy(struct drm_framebuffer *fb)
{
struct ast_framebuffer *ast_fb = to_ast_framebuffer(fb);
@@ -304,17 +314,32 @@ static u32 ast_get_vram_info(struct drm_device *dev)
{
struct ast_private *ast = dev->dev_private;
u8 jreg;
-
+ u32 vram_size;
ast_open_key(ast);
+ vram_size = AST_VIDMEM_DEFAULT_SIZE;
jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0xaa, 0xff);
switch (jreg & 3) {
- case 0: return AST_VIDMEM_SIZE_8M;
- case 1: return AST_VIDMEM_SIZE_16M;
- case 2: return AST_VIDMEM_SIZE_32M;
- case 3: return AST_VIDMEM_SIZE_64M;
+ case 0: vram_size = AST_VIDMEM_SIZE_8M; break;
+ case 1: vram_size = AST_VIDMEM_SIZE_16M; break;
+ case 2: vram_size = AST_VIDMEM_SIZE_32M; break;
+ case 3: vram_size = AST_VIDMEM_SIZE_64M; break;
+ }
+
+ jreg = ast_get_index_reg_mask(ast, AST_IO_CRTC_PORT, 0x99, 0xff);
+ switch (jreg & 0x03) {
+ case 1:
+ vram_size -= 0x100000;
+ break;
+ case 2:
+ vram_size -= 0x200000;
+ break;
+ case 3:
+ vram_size -= 0x400000;
+ break;
}
- return AST_VIDMEM_DEFAULT_SIZE;
+
+ return vram_size;
}
int ast_driver_load(struct drm_device *dev, unsigned long flags)
@@ -363,6 +388,7 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags)
if (ast->chip == AST2100 ||
ast->chip == AST2200 ||
ast->chip == AST2300 ||
+ ast->chip == AST2400 ||
ast->chip == AST1180) {
dev->mode_config.max_width = 1920;
dev->mode_config.max_height = 2048;
@@ -390,6 +416,7 @@ int ast_driver_unload(struct drm_device *dev)
{
struct ast_private *ast = dev->dev_private;
+ kfree(ast->dp501_fw_addr);
ast_mode_fini(dev);
ast_fbdev_fini(dev);
drm_mode_config_cleanup(dev);
@@ -449,13 +476,7 @@ int ast_dumb_create(struct drm_file *file,
return 0;
}
-int ast_gem_init_object(struct drm_gem_object *obj)
-{
- BUG();
- return 0;
-}
-
-void ast_bo_unref(struct ast_bo **bo)
+static void ast_bo_unref(struct ast_bo **bo)
{
struct ttm_buffer_object *tbo;
@@ -464,16 +485,13 @@ void ast_bo_unref(struct ast_bo **bo)
tbo = &((*bo)->bo);
ttm_bo_unref(&tbo);
- if (tbo == NULL)
- *bo = NULL;
-
+ *bo = NULL;
}
+
void ast_gem_free_object(struct drm_gem_object *obj)
{
struct ast_bo *ast_bo = gem_to_ast_bo(obj);
- if (!ast_bo)
- return;
ast_bo_unref(&ast_bo);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 01:26:57 +0000