diff options
Diffstat (limited to 'drivers/gpu/drm/mgag200')
| -rw-r--r-- | drivers/gpu/drm/mgag200/Kconfig | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/Makefile | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_cursor.c | 319 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_drv.c | 204 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_drv.h | 56 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_main.c | 160 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_mm.c | 127 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_mode.c | 875 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_reg.h | 11 | ||||
| -rw-r--r-- | drivers/gpu/drm/mgag200/mgag200_ttm.c | 70 |
10 files changed, 749 insertions, 1080 deletions
diff --git a/drivers/gpu/drm/mgag200/Kconfig b/drivers/gpu/drm/mgag200/Kconfig index d60aa4b9ccd4..93be766715c9 100644 --- a/drivers/gpu/drm/mgag200/Kconfig +++ b/drivers/gpu/drm/mgag200/Kconfig @@ -2,10 +2,8 @@ config DRM_MGAG200 tristate "Kernel modesetting driver for MGA G200 server engines" depends on DRM && PCI && MMU + select DRM_GEM_SHMEM_HELPER select DRM_KMS_HELPER - select DRM_VRAM_HELPER - select DRM_TTM - select DRM_TTM_HELPER help This is a KMS driver for the MGA G200 server chips, it does not support the original MGA G200 or any of the desktop diff --git a/drivers/gpu/drm/mgag200/Makefile b/drivers/gpu/drm/mgag200/Makefile index 04b281bcf655..42fedef53882 100644 --- a/drivers/gpu/drm/mgag200/Makefile +++ b/drivers/gpu/drm/mgag200/Makefile @@ -1,5 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only -mgag200-y := mgag200_main.o mgag200_mode.o mgag200_cursor.o \ - mgag200_drv.o mgag200_i2c.o mgag200_ttm.o +mgag200-y := mgag200_drv.o mgag200_i2c.o mgag200_mm.o mgag200_mode.o obj-$(CONFIG_DRM_MGAG200) += mgag200.o diff --git a/drivers/gpu/drm/mgag200/mgag200_cursor.c b/drivers/gpu/drm/mgag200/mgag200_cursor.c deleted file mode 100644 index aebc9ce43d55..000000000000 --- a/drivers/gpu/drm/mgag200/mgag200_cursor.c +++ /dev/null @@ -1,319 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright 2013 Matrox Graphics - * - * Author: Christopher Harvey <charvey@matrox.com> - */ - -#include <linux/pci.h> - -#include "mgag200_drv.h" - -static bool warn_transparent = true; -static bool warn_palette = true; - -static int mgag200_cursor_update(struct mga_device *mdev, void *dst, void *src, - unsigned int width, unsigned int height) -{ - struct drm_device *dev = mdev->dev; - unsigned int i, row, col; - uint32_t colour_set[16]; - uint32_t *next_space = &colour_set[0]; - uint32_t *palette_iter; - uint32_t this_colour; - bool found = false; - int colour_count = 0; - u8 reg_index; - u8 this_row[48]; - - memset(&colour_set[0], 0, sizeof(uint32_t)*16); - /* width*height*4 = 16384 */ - for (i = 0; i < 16384; i += 4) { - this_colour = ioread32(src + i); - /* No transparency */ - if (this_colour>>24 != 0xff && - this_colour>>24 != 0x0) { - if (warn_transparent) { - dev_info(&dev->pdev->dev, "Video card doesn't support cursors with partial transparency.\n"); - dev_info(&dev->pdev->dev, "Not enabling hardware cursor.\n"); - warn_transparent = false; /* Only tell the user once. */ - } - return -EINVAL; - } - /* Don't need to store transparent pixels as colours */ - if (this_colour>>24 == 0x0) - continue; - found = false; - for (palette_iter = &colour_set[0]; palette_iter != next_space; palette_iter++) { - if (*palette_iter == this_colour) { - found = true; - break; - } - } - if (found) - continue; - /* We only support 4bit paletted cursors */ - if (colour_count >= 16) { - if (warn_palette) { - dev_info(&dev->pdev->dev, "Video card only supports cursors with up to 16 colours.\n"); - dev_info(&dev->pdev->dev, "Not enabling hardware cursor.\n"); - warn_palette = false; /* Only tell the user once. */ - } - return -EINVAL; - } - *next_space = this_colour; - next_space++; - colour_count++; - } - - /* Program colours from cursor icon into palette */ - for (i = 0; i < colour_count; i++) { - if (i <= 2) - reg_index = 0x8 + i*0x4; - else - reg_index = 0x60 + i*0x3; - WREG_DAC(reg_index, colour_set[i] & 0xff); - WREG_DAC(reg_index+1, colour_set[i]>>8 & 0xff); - WREG_DAC(reg_index+2, colour_set[i]>>16 & 0xff); - BUG_ON((colour_set[i]>>24 & 0xff) != 0xff); - } - - /* now write colour indices into hardware cursor buffer */ - for (row = 0; row < 64; row++) { - memset(&this_row[0], 0, 48); - for (col = 0; col < 64; col++) { - this_colour = ioread32(src + 4*(col + 64*row)); - /* write transparent pixels */ - if (this_colour>>24 == 0x0) { - this_row[47 - col/8] |= 0x80>>(col%8); - continue; - } - - /* write colour index here */ - for (i = 0; i < colour_count; i++) { - if (colour_set[i] == this_colour) { - if (col % 2) - this_row[col/2] |= i<<4; - else - this_row[col/2] |= i; - break; - } - } - } - memcpy_toio(dst + row*48, &this_row[0], 48); - } - - return 0; -} - -static void mgag200_cursor_set_base(struct mga_device *mdev, u64 address) -{ - u8 addrl = (address >> 10) & 0xff; - u8 addrh = (address >> 18) & 0x3f; - - /* Program gpu address of cursor buffer */ - WREG_DAC(MGA1064_CURSOR_BASE_ADR_LOW, addrl); - WREG_DAC(MGA1064_CURSOR_BASE_ADR_HI, addrh); -} - -static int mgag200_show_cursor(struct mga_device *mdev, void *src, - unsigned int width, unsigned int height) -{ - struct drm_device *dev = mdev->dev; - struct drm_gem_vram_object *gbo; - void *dst; - s64 off; - int ret; - - gbo = mdev->cursor.gbo[mdev->cursor.next_index]; - if (!gbo) { - WREG8(MGA_CURPOSXL, 0); - WREG8(MGA_CURPOSXH, 0); - return -ENOTSUPP; /* Didn't allocate space for cursors */ - } - dst = drm_gem_vram_vmap(gbo); - if (IS_ERR(dst)) { - ret = PTR_ERR(dst); - dev_err(&dev->pdev->dev, - "failed to map cursor updates: %d\n", ret); - return ret; - } - off = drm_gem_vram_offset(gbo); - if (off < 0) { - ret = (int)off; - dev_err(&dev->pdev->dev, - "failed to get cursor scanout address: %d\n", ret); - goto err_drm_gem_vram_vunmap; - } - - ret = mgag200_cursor_update(mdev, dst, src, width, height); - if (ret) - goto err_drm_gem_vram_vunmap; - mgag200_cursor_set_base(mdev, off); - - /* Adjust cursor control register to turn on the cursor */ - WREG_DAC(MGA1064_CURSOR_CTL, 4); /* 16-colour palletized cursor mode */ - - drm_gem_vram_vunmap(gbo, dst); - - ++mdev->cursor.next_index; - mdev->cursor.next_index %= ARRAY_SIZE(mdev->cursor.gbo); - - return 0; - -err_drm_gem_vram_vunmap: - drm_gem_vram_vunmap(gbo, dst); - return ret; -} - -/* - * Hide the cursor off screen. We can't disable the cursor hardware because - * it takes too long to re-activate and causes momentary corruption. - */ -static void mgag200_hide_cursor(struct mga_device *mdev) -{ - WREG8(MGA_CURPOSXL, 0); - WREG8(MGA_CURPOSXH, 0); -} - -static void mgag200_move_cursor(struct mga_device *mdev, int x, int y) -{ - if (WARN_ON(x <= 0)) - return; - if (WARN_ON(y <= 0)) - return; - if (WARN_ON(x & ~0xffff)) - return; - if (WARN_ON(y & ~0xffff)) - return; - - WREG8(MGA_CURPOSXL, x & 0xff); - WREG8(MGA_CURPOSXH, (x>>8) & 0xff); - - WREG8(MGA_CURPOSYL, y & 0xff); - WREG8(MGA_CURPOSYH, (y>>8) & 0xff); -} - -int mgag200_cursor_init(struct mga_device *mdev) -{ - struct drm_device *dev = mdev->dev; - size_t ncursors = ARRAY_SIZE(mdev->cursor.gbo); - size_t size; - int ret; - size_t i; - struct drm_gem_vram_object *gbo; - - size = roundup(64 * 48, PAGE_SIZE); - if (size * ncursors > mdev->vram_fb_available) - return -ENOMEM; - - for (i = 0; i < ncursors; ++i) { - gbo = drm_gem_vram_create(dev, size, 0); - if (IS_ERR(gbo)) { - ret = PTR_ERR(gbo); - goto err_drm_gem_vram_put; - } - ret = drm_gem_vram_pin(gbo, DRM_GEM_VRAM_PL_FLAG_VRAM | - DRM_GEM_VRAM_PL_FLAG_TOPDOWN); - if (ret) { - drm_gem_vram_put(gbo); - goto err_drm_gem_vram_put; - } - - mdev->cursor.gbo[i] = gbo; - } - - /* - * At the high end of video memory, we reserve space for - * buffer objects. The cursor plane uses this memory to store - * a double-buffered image of the current cursor. Hence, it's - * not available for framebuffers. - */ - mdev->vram_fb_available -= ncursors * size; - - return 0; - -err_drm_gem_vram_put: - while (i) { - --i; - gbo = mdev->cursor.gbo[i]; - drm_gem_vram_unpin(gbo); - drm_gem_vram_put(gbo); - mdev->cursor.gbo[i] = NULL; - } - return ret; -} - -void mgag200_cursor_fini(struct mga_device *mdev) -{ - size_t i; - struct drm_gem_vram_object *gbo; - - for (i = 0; i < ARRAY_SIZE(mdev->cursor.gbo); ++i) { - gbo = mdev->cursor.gbo[i]; - drm_gem_vram_unpin(gbo); - drm_gem_vram_put(gbo); - } -} - -int mgag200_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, - uint32_t handle, uint32_t width, uint32_t height) -{ - struct drm_device *dev = crtc->dev; - struct mga_device *mdev = to_mga_device(dev); - struct drm_gem_object *obj; - struct drm_gem_vram_object *gbo = NULL; - int ret; - u8 *src; - - if (!handle || !file_priv) { - mgag200_hide_cursor(mdev); - return 0; - } - - if (width != 64 || height != 64) { - WREG8(MGA_CURPOSXL, 0); - WREG8(MGA_CURPOSXH, 0); - return -EINVAL; - } - - obj = drm_gem_object_lookup(file_priv, handle); - if (!obj) - return -ENOENT; - gbo = drm_gem_vram_of_gem(obj); - src = drm_gem_vram_vmap(gbo); - if (IS_ERR(src)) { - ret = PTR_ERR(src); - dev_err(&dev->pdev->dev, - "failed to map user buffer updates\n"); - goto err_drm_gem_object_put_unlocked; - } - - ret = mgag200_show_cursor(mdev, src, width, height); - if (ret) - goto err_drm_gem_vram_vunmap; - - /* Now update internal buffer pointers */ - drm_gem_vram_vunmap(gbo, src); - drm_gem_object_put_unlocked(obj); - - return 0; -err_drm_gem_vram_vunmap: - drm_gem_vram_vunmap(gbo, src); -err_drm_gem_object_put_unlocked: - drm_gem_object_put_unlocked(obj); - return ret; -} - -int mgag200_crtc_cursor_move(struct drm_crtc *crtc, int x, int y) -{ - struct mga_device *mdev = to_mga_device(crtc->dev); - - /* Our origin is at (64,64) */ - x += 64; - y += 64; - - mgag200_move_cursor(mdev, x, y); - - return 0; -} diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c index c2f0e4b40b05..e19660f4a637 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.c +++ b/drivers/gpu/drm/mgag200/mgag200_drv.c @@ -17,23 +17,105 @@ #include "mgag200_drv.h" -/* - * This is the generic driver code. This binds the driver to the drm core, - * which then performs further device association and calls our graphics init - * functions - */ int mgag200_modeset = -1; - MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); module_param_named(modeset, mgag200_modeset, int, 0400); -int mgag200_hw_bug_no_startadd = -1; -MODULE_PARM_DESC(modeset, "HW does not interpret scanout-buffer start address correctly"); -module_param_named(hw_bug_no_startadd, mgag200_hw_bug_no_startadd, int, 0400); +/* + * DRM driver + */ + +DEFINE_DRM_GEM_FOPS(mgag200_driver_fops); + +static struct drm_driver mgag200_driver = { + .driver_features = DRIVER_ATOMIC | DRIVER_GEM | DRIVER_MODESET, + .fops = &mgag200_driver_fops, + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, + DRM_GEM_SHMEM_DRIVER_OPS, +}; + +/* + * DRM device + */ + +static int mgag200_device_init(struct mga_device *mdev, unsigned long flags) +{ + struct drm_device *dev = &mdev->base; + int ret, option; + + mdev->flags = mgag200_flags_from_driver_data(flags); + mdev->type = mgag200_type_from_driver_data(flags); + + pci_read_config_dword(dev->pdev, PCI_MGA_OPTION, &option); + mdev->has_sdram = !(option & (1 << 14)); + + /* BAR 0 is the framebuffer, BAR 1 contains registers */ + mdev->rmmio_base = pci_resource_start(dev->pdev, 1); + mdev->rmmio_size = pci_resource_len(dev->pdev, 1); + + if (!devm_request_mem_region(dev->dev, mdev->rmmio_base, + mdev->rmmio_size, "mgadrmfb_mmio")) { + drm_err(dev, "can't reserve mmio registers\n"); + return -ENOMEM; + } + + mdev->rmmio = pcim_iomap(dev->pdev, 1, 0); + if (mdev->rmmio == NULL) + return -ENOMEM; + + /* stash G200 SE model number for later use */ + if (IS_G200_SE(mdev)) { + mdev->unique_rev_id = RREG32(0x1e24); + drm_dbg(dev, "G200 SE unique revision id is 0x%x\n", + mdev->unique_rev_id); + } + + ret = mgag200_mm_init(mdev); + if (ret) + return ret; + + ret = mgag200_modeset_init(mdev); + if (ret) { + drm_err(dev, "Fatal error during modeset init: %d\n", ret); + return ret; + } + + return 0; +} + +static struct mga_device * +mgag200_device_create(struct pci_dev *pdev, unsigned long flags) +{ + struct drm_device *dev; + struct mga_device *mdev; + int ret; + + mdev = devm_drm_dev_alloc(&pdev->dev, &mgag200_driver, + struct mga_device, base); + if (IS_ERR(mdev)) + return mdev; + dev = &mdev->base; + + dev->pdev = pdev; + pci_set_drvdata(pdev, dev); -static struct drm_driver driver; + ret = mgag200_device_init(mdev, flags); + if (ret) + return ERR_PTR(ret); -static const struct pci_device_id pciidlist[] = { + return mdev; +} + +/* + * PCI driver + */ + +static const struct pci_device_id mgag200_pciidlist[] = { { PCI_VENDOR_ID_MATROX, 0x522, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_A | MGAG200_FLAG_HW_BUG_NO_STARTADD}, { PCI_VENDOR_ID_MATROX, 0x524, PCI_ANY_ID, PCI_ANY_ID, 0, 0, G200_SE_B }, @@ -46,119 +128,47 @@ static const struct pci_device_id pciidlist[] = { {0,} }; -MODULE_DEVICE_TABLE(pci, pciidlist); - +MODULE_DEVICE_TABLE(pci, mgag200_pciidlist); -static int mga_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +static int +mgag200_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { + struct mga_device *mdev; struct drm_device *dev; int ret; drm_fb_helper_remove_conflicting_pci_framebuffers(pdev, "mgag200drmfb"); - ret = pci_enable_device(pdev); + ret = pcim_enable_device(pdev); if (ret) return ret; - dev = drm_dev_alloc(&driver, &pdev->dev); - if (IS_ERR(dev)) { - ret = PTR_ERR(dev); - goto err_pci_disable_device; - } - - dev->pdev = pdev; - pci_set_drvdata(pdev, dev); - - ret = mgag200_driver_load(dev, ent->driver_data); - if (ret) - goto err_drm_dev_put; + mdev = mgag200_device_create(pdev, ent->driver_data); + if (IS_ERR(mdev)) + return PTR_ERR(mdev); + dev = &mdev->base; ret = drm_dev_register(dev, ent->driver_data); if (ret) - goto err_mgag200_driver_unload; + return ret; drm_fbdev_generic_setup(dev, 0); return 0; - -err_mgag200_driver_unload: - mgag200_driver_unload(dev); -err_drm_dev_put: - drm_dev_put(dev); -err_pci_disable_device: - pci_disable_device(pdev); - return ret; } -static void mga_pci_remove(struct pci_dev *pdev) +static void mgag200_pci_remove(struct pci_dev *pdev) { struct drm_device *dev = pci_get_drvdata(pdev); drm_dev_unregister(dev); - mgag200_driver_unload(dev); - drm_dev_put(dev); -} - -DEFINE_DRM_GEM_FOPS(mgag200_driver_fops); - -static bool mgag200_pin_bo_at_0(const struct mga_device *mdev) -{ - if (mgag200_hw_bug_no_startadd > 0) { - DRM_WARN_ONCE("Option hw_bug_no_startradd is enabled. Please " - "report the output of 'lspci -vvnn' to " - "<dri-devel@lists.freedesktop.org> if this " - "option is required to make mgag200 work " - "correctly on your system.\n"); - return true; - } else if (!mgag200_hw_bug_no_startadd) { - return false; - } - return mdev->flags & MGAG200_FLAG_HW_BUG_NO_STARTADD; } -int mgag200_driver_dumb_create(struct drm_file *file, - struct drm_device *dev, - struct drm_mode_create_dumb *args) -{ - struct mga_device *mdev = to_mga_device(dev); - unsigned long pg_align; - - if (WARN_ONCE(!dev->vram_mm, "VRAM MM not initialized")) - return -EINVAL; - - pg_align = 0ul; - - /* - * Aligning scanout buffers to the size of the video ram forces - * placement at offset 0. Works around a bug where HW does not - * respect 'startadd' field. - */ - if (mgag200_pin_bo_at_0(mdev)) - pg_align = PFN_UP(mdev->mc.vram_size); - - return drm_gem_vram_fill_create_dumb(file, dev, pg_align, 0, args); -} - -static struct drm_driver driver = { - .driver_features = DRIVER_GEM | DRIVER_MODESET, - .fops = &mgag200_driver_fops, - .name = DRIVER_NAME, - .desc = DRIVER_DESC, - .date = DRIVER_DATE, - .major = DRIVER_MAJOR, - .minor = DRIVER_MINOR, - .patchlevel = DRIVER_PATCHLEVEL, - .debugfs_init = drm_vram_mm_debugfs_init, - .dumb_create = mgag200_driver_dumb_create, - .dumb_map_offset = drm_gem_vram_driver_dumb_mmap_offset, - .gem_prime_mmap = drm_gem_prime_mmap, -}; - static struct pci_driver mgag200_pci_driver = { .name = DRIVER_NAME, - .id_table = pciidlist, - .probe = mga_pci_probe, - .remove = mga_pci_remove, + .id_table = mgag200_pciidlist, + .probe = mgag200_pci_probe, + .remove = mgag200_pci_remove, }; static int __init mgag200_init(void) diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.h b/drivers/gpu/drm/mgag200/mgag200_drv.h index d9b7e96b214f..270c2f9a6766 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.h +++ b/drivers/gpu/drm/mgag200/mgag200_drv.h @@ -18,7 +18,8 @@ #include <drm/drm_encoder.h> #include <drm/drm_fb_helper.h> #include <drm/drm_gem.h> -#include <drm/drm_gem_vram_helper.h> +#include <drm/drm_gem_shmem_helper.h> +#include <drm/drm_simple_kms_helper.h> #include "mgag200_reg.h" @@ -32,8 +33,6 @@ #define DRIVER_MINOR 0 #define DRIVER_PATCHLEVEL 0 -#define MGAG200FB_CONN_LIMIT 1 - #define RREG8(reg) ioread8(((void __iomem *)mdev->rmmio) + (reg)) #define WREG8(reg, v) iowrite8(v, ((void __iomem *)mdev->rmmio) + (reg)) #define RREG32(reg) ioread32(((void __iomem *)mdev->rmmio) + (reg)) @@ -49,6 +48,12 @@ WREG8(ATTR_DATA, v); \ } while (0) \ +#define RREG_SEQ(reg, v) \ + do { \ + WREG8(MGAREG_SEQ_INDEX, reg); \ + v = RREG8(MGAREG_SEQ_DATA); \ + } while (0) \ + #define WREG_SEQ(reg, v) \ do { \ WREG8(MGAREG_SEQ_INDEX, reg); \ @@ -61,6 +66,11 @@ WREG8(MGAREG_CRTC_DATA, v); \ } while (0) \ +#define RREG_ECRT(reg, v) \ + do { \ + WREG8(MGAREG_CRTCEXT_INDEX, reg); \ + v = RREG8(MGAREG_CRTCEXT_DATA); \ + } while (0) \ #define WREG_ECRT(reg, v) \ do { \ @@ -92,18 +102,8 @@ #define MGAG200_MAX_FB_HEIGHT 4096 #define MGAG200_MAX_FB_WIDTH 4096 -#define MATROX_DPMS_CLEARED (-1) - -#define to_mga_crtc(x) container_of(x, struct mga_crtc, base) #define to_mga_connector(x) container_of(x, struct mga_connector, base) -struct mga_crtc { - struct drm_crtc base; - u8 lut_r[256], lut_g[256], lut_b[256]; - int last_dpms; - bool enabled; -}; - struct mga_i2c_chan { struct i2c_adapter adapter; struct drm_device *dev; @@ -116,11 +116,6 @@ struct mga_connector { struct mga_i2c_chan *i2c; }; -struct mga_cursor { - struct drm_gem_vram_object *gbo[2]; - unsigned int next_index; -}; - struct mga_mc { resource_size_t vram_size; resource_size_t vram_base; @@ -147,7 +142,7 @@ enum mga_type { #define IS_G200_SE(mdev) (mdev->type == G200_SE_A || mdev->type == G200_SE_B) struct mga_device { - struct drm_device *dev; + struct drm_device base; unsigned long flags; resource_size_t rmmio_base; @@ -156,11 +151,9 @@ struct mga_device { struct mga_mc mc; - struct mga_cursor cursor; - - size_t vram_fb_available; + void __iomem *vram; + size_t vram_fb_available; - bool suspended; enum mga_type type; int has_sdram; @@ -172,12 +165,12 @@ struct mga_device { u32 unique_rev_id; struct mga_connector connector; - struct drm_encoder encoder; + struct drm_simple_display_pipe display_pipe; }; static inline struct mga_device *to_mga_device(struct drm_device *dev) { - return dev->dev_private; + return container_of(dev, struct mga_device, base); } static inline enum mga_type @@ -195,22 +188,11 @@ mgag200_flags_from_driver_data(kernel_ulong_t driver_data) /* mgag200_mode.c */ int mgag200_modeset_init(struct mga_device *mdev); - /* mgag200_main.c */ -int mgag200_driver_load(struct drm_device *dev, unsigned long flags); -void mgag200_driver_unload(struct drm_device *dev); - /* mgag200_i2c.c */ struct mga_i2c_chan *mgag200_i2c_create(struct drm_device *dev); void mgag200_i2c_destroy(struct mga_i2c_chan *i2c); + /* mgag200_mm.c */ int mgag200_mm_init(struct mga_device *mdev); -void mgag200_mm_fini(struct mga_device *mdev); -int mgag200_mmap(struct file *filp, struct vm_area_struct *vma); - -int mgag200_cursor_init(struct mga_device *mdev); -void mgag200_cursor_fini(struct mga_device *mdev); -int mgag200_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, - uint32_t handle, uint32_t width, uint32_t height); -int mgag200_crtc_cursor_move(struct drm_crtc *crtc, int x, int y); #endif /* __MGAG200_DRV_H__ */ diff --git a/drivers/gpu/drm/mgag200/mgag200_main.c b/drivers/gpu/drm/mgag200/mgag200_main.c deleted file mode 100644 index 86df799fd38c..000000000000 --- a/drivers/gpu/drm/mgag200/mgag200_main.c +++ /dev/null @@ -1,160 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright 2010 Matt Turner. - * Copyright 2012 Red Hat - * - * Authors: Matthew Garrett - * Matt Turner - * Dave Airlie - */ - -#include <linux/pci.h> - -#include "mgag200_drv.h" - -static int mga_probe_vram(struct mga_device *mdev, void __iomem *mem) -{ - int offset; - int orig; - int test1, test2; - int orig1, orig2; - unsigned int vram_size; - - /* Probe */ - orig = ioread16(mem); - iowrite16(0, mem); - - vram_size = mdev->mc.vram_window; - - if ((mdev->type == G200_EW3) && (vram_size >= 0x1000000)) { - vram_size = vram_size - 0x400000; - } - - for (offset = 0x100000; offset < vram_size; offset += 0x4000) { - orig1 = ioread8(mem + offset); - orig2 = ioread8(mem + offset + 0x100); - - iowrite16(0xaa55, mem + offset); - iowrite16(0xaa55, mem + offset + 0x100); - - test1 = ioread16(mem + offset); - test2 = ioread16(mem); - - iowrite16(orig1, mem + offset); - iowrite16(orig2, mem + offset + 0x100); - - if (test1 != 0xaa55) { - break; - } - - if (test2) { - break; - } - } - - iowrite16(orig, mem); - return offset - 65536; -} - -/* Map the framebuffer from the card and configure the core */ -static int mga_vram_init(struct mga_device *mdev) -{ - struct drm_device *dev = mdev->dev; - void __iomem *mem; - - /* BAR 0 is VRAM */ - mdev->mc.vram_base = pci_resource_start(dev->pdev, 0); - mdev->mc.vram_window = pci_resource_len(dev->pdev, 0); - - if (!devm_request_mem_region(dev->dev, mdev->mc.vram_base, - mdev->mc.vram_window, "mgadrmfb_vram")) { - DRM_ERROR("can't reserve VRAM\n"); - return -ENXIO; - } - - mem = pci_iomap(dev->pdev, 0, 0); - if (!mem) - return -ENOMEM; - - mdev->mc.vram_size = mga_probe_vram(mdev, mem); - - pci_iounmap(dev->pdev, mem); - - return 0; -} - -int mgag200_driver_load(struct drm_device *dev, unsigned long flags) -{ - struct mga_device *mdev; - int ret, option; - - mdev = devm_kzalloc(dev->dev, sizeof(struct mga_device), GFP_KERNEL); - if (mdev == NULL) - return -ENOMEM; - dev->dev_private = (void *)mdev; - mdev->dev = dev; - - mdev->flags = mgag200_flags_from_driver_data(flags); - mdev->type = mgag200_type_from_driver_data(flags); - - pci_read_config_dword(dev->pdev, PCI_MGA_OPTION, &option); - mdev->has_sdram = !(option & (1 << 14)); - - /* BAR 0 is the framebuffer, BAR 1 contains registers */ - mdev->rmmio_base = pci_resource_start(dev->pdev, 1); - mdev->rmmio_size = pci_resource_len(dev->pdev, 1); - - if (!devm_request_mem_region(dev->dev, mdev->rmmio_base, - mdev->rmmio_size, "mgadrmfb_mmio")) { - drm_err(dev, "can't reserve mmio registers\n"); - return -ENOMEM; - } - - mdev->rmmio = pcim_iomap(dev->pdev, 1, 0); - if (mdev->rmmio == NULL) - return -ENOMEM; - - /* stash G200 SE model number for later use */ - if (IS_G200_SE(mdev)) { - mdev->unique_rev_id = RREG32(0x1e24); - drm_dbg(dev, "G200 SE unique revision id is 0x%x\n", - mdev->unique_rev_id); - } - - ret = mga_vram_init(mdev); - if (ret) - return ret; - - ret = mgag200_mm_init(mdev); - if (ret) - goto err_mm; - - ret = mgag200_modeset_init(mdev); - if (ret) { - drm_err(dev, "Fatal error during modeset init: %d\n", ret); - goto err_mgag200_mm_fini; - } - - ret = mgag200_cursor_init(mdev); - if (ret) - drm_err(dev, "Could not initialize cursors. Not doing hardware cursors.\n"); - - return 0; - -err_mgag200_mm_fini: - mgag200_mm_fini(mdev); -err_mm: - dev->dev_private = NULL; - return ret; -} - -void mgag200_driver_unload(struct drm_device *dev) -{ - struct mga_device *mdev = to_mga_device(dev); - - if (mdev == NULL) - return; - mgag200_cursor_fini(mdev); - mgag200_mm_fini(mdev); - dev->dev_private = NULL; -} diff --git a/drivers/gpu/drm/mgag200/mgag200_mm.c b/drivers/gpu/drm/mgag200/mgag200_mm.c new file mode 100644 index 000000000000..7b69392bcb89 --- /dev/null +++ b/drivers/gpu/drm/mgag200/mgag200_mm.c @@ -0,0 +1,127 @@ +/* + * Copyright 2012 Red Hat 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + */ +/* + * Authors: Dave Airlie <airlied@redhat.com> + */ + +#include <linux/pci.h> + +#include <drm/drm_managed.h> + +#include "mgag200_drv.h" + +static size_t mgag200_probe_vram(struct mga_device *mdev, void __iomem *mem, + size_t size) +{ + int offset; + int orig; + int test1, test2; + int orig1, orig2; + size_t vram_size; + + /* Probe */ + orig = ioread16(mem); + iowrite16(0, mem); + + vram_size = size; + + if ((mdev->type == G200_EW3) && (vram_size >= 0x1000000)) + vram_size = vram_size - 0x400000; + + for (offset = 0x100000; offset < vram_size; offset += 0x4000) { + orig1 = ioread8(mem + offset); + orig2 = ioread8(mem + offset + 0x100); + + iowrite16(0xaa55, mem + offset); + iowrite16(0xaa55, mem + offset + 0x100); + + test1 = ioread16(mem + offset); + test2 = ioread16(mem); + + iowrite16(orig1, mem + offset); + iowrite16(orig2, mem + offset + 0x100); + + if (test1 != 0xaa55) + break; + + if (test2) + break; + } + + iowrite16(orig, mem); + + return offset - 65536; +} + +static void mgag200_mm_release(struct drm_device *dev, void *ptr) +{ + struct mga_device *mdev = to_mga_device(dev); + + mdev->vram_fb_available = 0; + iounmap(mdev->vram); + arch_io_free_memtype_wc(pci_resource_start(dev->pdev, 0), + pci_resource_len(dev->pdev, 0)); + arch_phys_wc_del(mdev->fb_mtrr); + mdev->fb_mtrr = 0; +} + +int mgag200_mm_init(struct mga_device *mdev) +{ + struct drm_device *dev = &mdev->base; + resource_size_t start, len; + int ret; + + /* BAR 0 is VRAM */ + start = pci_resource_start(dev->pdev, 0); + len = pci_resource_len(dev->pdev, 0); + + if (!devm_request_mem_region(dev->dev, start, len, "mgadrmfb_vram")) { + drm_err(dev, "can't reserve VRAM\n"); + return -ENXIO; + } + + arch_io_reserve_memtype_wc(start, len); + + mdev->fb_mtrr = arch_phys_wc_add(start, len); + + mdev->vram = ioremap(start, len); + if (!mdev->vram) { + ret = -ENOMEM; + goto err_arch_phys_wc_del; + } + + mdev->mc.vram_size = mgag200_probe_vram(mdev, mdev->vram, len); + mdev->mc.vram_base = start; + mdev->mc.vram_window = len; + + mdev->vram_fb_available = mdev->mc.vram_size; + + return drmm_add_action_or_reset(dev, mgag200_mm_release, NULL); + +err_arch_phys_wc_del: + arch_phys_wc_del(mdev->fb_mtrr); + arch_io_free_memtype_wc(start, len); + return ret; +} diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 5f4ac36a9776..f16bd278ab7e 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -11,10 +11,15 @@ #include <linux/delay.h> #include <linux/pci.h> +#include <drm/drm_atomic_helper.h> +#include <drm/drm_atomic_state_helper.h> #include <drm/drm_crtc_helper.h> +#include <drm/drm_damage_helper.h> +#include <drm/drm_format_helper.h> #include <drm/drm_fourcc.h> #include <drm/drm_gem_framebuffer_helper.h> #include <drm/drm_plane_helper.h> +#include <drm/drm_print.h> #include <drm/drm_probe_helper.h> #include <drm/drm_simple_kms_helper.h> @@ -30,13 +35,18 @@ static void mga_crtc_load_lut(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; struct mga_device *mdev = to_mga_device(dev); - struct drm_framebuffer *fb = crtc->primary->fb; + struct drm_framebuffer *fb; u16 *r_ptr, *g_ptr, *b_ptr; int i |