1/**
2 * \file radeon_drv.c
3 * ATI Radeon driver
4 *
5 * \author Gareth Hughes <gareth@valinux.com>
6 */
7
8/*
9 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
10 * All Rights Reserved.
11 *
12 * Permission is hereby granted, free of charge, to any person obtaining a
13 * copy of this software and associated documentation files (the "Software"),
14 * to deal in the Software without restriction, including without limitation
15 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16 * and/or sell copies of the Software, and to permit persons to whom the
17 * Software is furnished to do so, subject to the following conditions:
18 *
19 * The above copyright notice and this permission notice (including the next
20 * paragraph) shall be included in all copies or substantial portions of the
21 * Software.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
26 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
27 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
28 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
29 * OTHER DEALINGS IN THE SOFTWARE.
30 */
31
32#include <sys/cdefs.h>
33__FBSDID("$FreeBSD$");
34
35#include <dev/drm2/drmP.h>
36#include <dev/drm2/radeon/radeon_drm.h>
37#include "radeon_drv.h"
38#include "radeon_gem.h"
39#include "radeon_kms.h"
40#include "radeon_irq_kms.h"
41
42#include <dev/drm2/drm_pciids.h>
43
44#include "fb_if.h"
45
46/*
47 * KMS wrapper.
48 * - 2.0.0 - initial interface
49 * - 2.1.0 - add square tiling interface
50 * - 2.2.0 - add r6xx/r7xx const buffer support
51 * - 2.3.0 - add MSPOS + 3D texture + r500 VAP regs
52 * - 2.4.0 - add crtc id query
53 * - 2.5.0 - add get accel 2 to work around ddx breakage for evergreen
54 * - 2.6.0 - add tiling config query (r6xx+), add initial HiZ support (r300->r500)
55 *   2.7.0 - fixups for r600 2D tiling support. (no external ABI change), add eg dyn gpr regs
56 *   2.8.0 - pageflip support, r500 US_FORMAT regs. r500 ARGB2101010 colorbuf, r300->r500 CMASK, clock crystal query
57 *   2.9.0 - r600 tiling (s3tc,rgtc) working, SET_PREDICATION packet 3 on r600 + eg, backend query
58 *   2.10.0 - fusion 2D tiling
59 *   2.11.0 - backend map, initial compute support for the CS checker
60 *   2.12.0 - RADEON_CS_KEEP_TILING_FLAGS
61 *   2.13.0 - virtual memory support, streamout
62 *   2.14.0 - add evergreen tiling informations
63 *   2.15.0 - add max_pipes query
64 *   2.16.0 - fix evergreen 2D tiled surface calculation
65 *   2.17.0 - add STRMOUT_BASE_UPDATE for r7xx
66 *   2.18.0 - r600-eg: allow "invalid" DB formats
67 *   2.19.0 - r600-eg: MSAA textures
68 *   2.20.0 - r600-si: RADEON_INFO_TIMESTAMP query
69 *   2.21.0 - r600-r700: FMASK and CMASK
70 *   2.22.0 - r600 only: RESOLVE_BOX allowed
71 *   2.23.0 - allow STRMOUT_BASE_UPDATE on RS780 and RS880
72 *   2.24.0 - eg only: allow MIP_ADDRESS=0 for MSAA textures
73 *   2.25.0 - eg+: new info request for num SE and num SH
74 *   2.26.0 - r600-eg: fix htile size computation
75 *   2.27.0 - r600-SI: Add CS ioctl support for async DMA
76 *   2.28.0 - r600-eg: Add MEM_WRITE packet support
77 *   2.29.0 - R500 FP16 color clear registers
78 */
79#define KMS_DRIVER_MAJOR	2
80#define KMS_DRIVER_MINOR	29
81#define KMS_DRIVER_PATCHLEVEL	0
82int radeon_suspend_kms(struct drm_device *dev);
83int radeon_resume_kms(struct drm_device *dev);
84extern int radeon_get_crtc_scanoutpos(struct drm_device *dev, int crtc,
85				      int *vpos, int *hpos);
86extern struct drm_ioctl_desc radeon_ioctls_kms[];
87extern int radeon_max_kms_ioctl;
88#ifdef FREEBSD_WIP
89int radeon_mmap(struct file *filp, struct vm_area_struct *vma);
90#endif /* FREEBSD_WIP */
91int radeon_mode_dumb_mmap(struct drm_file *filp,
92			  struct drm_device *dev,
93			  uint32_t handle, uint64_t *offset_p);
94int radeon_mode_dumb_create(struct drm_file *file_priv,
95			    struct drm_device *dev,
96			    struct drm_mode_create_dumb *args);
97int radeon_mode_dumb_destroy(struct drm_file *file_priv,
98			     struct drm_device *dev,
99			     uint32_t handle);
100struct dma_buf *radeon_gem_prime_export(struct drm_device *dev,
101					struct drm_gem_object *obj,
102					int flags);
103struct drm_gem_object *radeon_gem_prime_import(struct drm_device *dev,
104					       struct dma_buf *dma_buf);
105
106#if defined(CONFIG_DEBUG_FS)
107int radeon_debugfs_init(struct drm_minor *minor);
108void radeon_debugfs_cleanup(struct drm_minor *minor);
109#endif
110
111
112int radeon_no_wb;
113int radeon_modeset = 1;
114int radeon_dynclks = -1;
115int radeon_r4xx_atom = 0;
116int radeon_agpmode = 0;
117int radeon_vram_limit = 0;
118int radeon_gart_size = 512; /* default gart size */
119int radeon_benchmarking = 0;
120int radeon_testing = 0;
121int radeon_connector_table = 0;
122int radeon_tv = 1;
123int radeon_audio = 0;
124int radeon_disp_priority = 0;
125int radeon_hw_i2c = 0;
126int radeon_pcie_gen2 = -1;
127int radeon_msi = -1;
128int radeon_lockup_timeout = 10000;
129
130TUNABLE_INT("drm.radeon.no_wb", &radeon_no_wb);
131MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
132module_param_named(no_wb, radeon_no_wb, int, 0444);
133
134TUNABLE_INT("drm.radeon.modeset", &radeon_modeset);
135MODULE_PARM_DESC(modeset, "Disable/Enable modesetting");
136module_param_named(modeset, radeon_modeset, int, 0400);
137
138TUNABLE_INT("drm.radeon.dynclks", &radeon_dynclks);
139MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks");
140module_param_named(dynclks, radeon_dynclks, int, 0444);
141
142TUNABLE_INT("drm.radeon.r4xx_atom", &radeon_r4xx_atom);
143MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx");
144module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444);
145
146TUNABLE_INT("drm.radeon.vramlimit", &radeon_vram_limit);
147MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing");
148module_param_named(vramlimit, radeon_vram_limit, int, 0600);
149
150TUNABLE_INT("drm.radeon.agpmode", &radeon_agpmode);
151MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)");
152module_param_named(agpmode, radeon_agpmode, int, 0444);
153
154TUNABLE_INT("drm.radeon.gartsize", &radeon_gart_size);
155MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32, 64, etc)");
156module_param_named(gartsize, radeon_gart_size, int, 0600);
157
158TUNABLE_INT("drm.radeon.benchmark", &radeon_benchmarking);
159MODULE_PARM_DESC(benchmark, "Run benchmark");
160module_param_named(benchmark, radeon_benchmarking, int, 0444);
161
162TUNABLE_INT("drm.radeon.test", &radeon_testing);
163MODULE_PARM_DESC(test, "Run tests");
164module_param_named(test, radeon_testing, int, 0444);
165
166TUNABLE_INT("drm.radeon.connector_table", &radeon_connector_table);
167MODULE_PARM_DESC(connector_table, "Force connector table");
168module_param_named(connector_table, radeon_connector_table, int, 0444);
169
170TUNABLE_INT("drm.radeon.tv", &radeon_tv);
171MODULE_PARM_DESC(tv, "TV enable (0 = disable)");
172module_param_named(tv, radeon_tv, int, 0444);
173
174TUNABLE_INT("drm.radeon.audio", &radeon_audio);
175MODULE_PARM_DESC(audio, "Audio enable (1 = enable)");
176module_param_named(audio, radeon_audio, int, 0444);
177
178TUNABLE_INT("drm.radeon.disp_priority", &radeon_disp_priority);
179MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)");
180module_param_named(disp_priority, radeon_disp_priority, int, 0444);
181
182TUNABLE_INT("drm.radeon.hw_i2c", &radeon_hw_i2c);
183MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)");
184module_param_named(hw_i2c, radeon_hw_i2c, int, 0444);
185
186TUNABLE_INT("drm.radeon.pcie_gen2", &radeon_pcie_gen2);
187MODULE_PARM_DESC(pcie_gen2, "PCIE Gen2 mode (-1 = auto, 0 = disable, 1 = enable)");
188module_param_named(pcie_gen2, radeon_pcie_gen2, int, 0444);
189
190TUNABLE_INT("drm.radeon.msi", &radeon_msi);
191MODULE_PARM_DESC(msi, "MSI support (1 = enable, 0 = disable, -1 = auto)");
192module_param_named(msi, radeon_msi, int, 0444);
193
194TUNABLE_INT("drm.radeon.lockup_timeout", &radeon_lockup_timeout);
195MODULE_PARM_DESC(lockup_timeout, "GPU lockup timeout in ms (defaul 10000 = 10 seconds, 0 = disable)");
196module_param_named(lockup_timeout, radeon_lockup_timeout, int, 0444);
197
198static drm_pci_id_list_t pciidlist[] = {
199	radeon_PCI_IDS
200};
201
202static struct drm_driver kms_driver;
203
204static int radeon_sysctl_init(struct drm_device *dev, struct sysctl_ctx_list *ctx,
205			      struct sysctl_oid *top)
206{
207	return drm_add_busid_modesetting(dev, ctx, top);
208}
209
210static struct drm_driver kms_driver = {
211	.driver_features =
212	    DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
213	    DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM |
214	    DRIVER_PRIME,
215#ifdef FREEBSD_WIP
216	.dev_priv_size = 0,
217#endif /* FREEBSD_WIP */
218	.load = radeon_driver_load_kms,
219	.firstopen = radeon_driver_firstopen_kms,
220	.open = radeon_driver_open_kms,
221	.preclose = radeon_driver_preclose_kms,
222	.postclose = radeon_driver_postclose_kms,
223	.lastclose = radeon_driver_lastclose_kms,
224	.unload = radeon_driver_unload_kms,
225#ifdef FREEBSD_WIP
226	.suspend = radeon_suspend_kms,
227	.resume = radeon_resume_kms,
228#endif /* FREEBSD_WIP */
229	.get_vblank_counter = radeon_get_vblank_counter_kms,
230	.enable_vblank = radeon_enable_vblank_kms,
231	.disable_vblank = radeon_disable_vblank_kms,
232	.get_vblank_timestamp = radeon_get_vblank_timestamp_kms,
233	.get_scanout_position = radeon_get_crtc_scanoutpos,
234#if defined(CONFIG_DEBUG_FS)
235	.debugfs_init = radeon_debugfs_init,
236	.debugfs_cleanup = radeon_debugfs_cleanup,
237#endif
238	.irq_preinstall = radeon_driver_irq_preinstall_kms,
239	.irq_postinstall = radeon_driver_irq_postinstall_kms,
240	.irq_uninstall = radeon_driver_irq_uninstall_kms,
241	.irq_handler = radeon_driver_irq_handler_kms,
242	.sysctl_init = radeon_sysctl_init,
243	.ioctls = radeon_ioctls_kms,
244	.gem_init_object = radeon_gem_object_init,
245	.gem_free_object = radeon_gem_object_free,
246	.gem_open_object = radeon_gem_object_open,
247	.gem_close_object = radeon_gem_object_close,
248	.dma_ioctl = radeon_dma_ioctl_kms,
249	.dumb_create = radeon_mode_dumb_create,
250	.dumb_map_offset = radeon_mode_dumb_mmap,
251	.dumb_destroy = radeon_mode_dumb_destroy,
252#ifdef FREEBSD_WIP
253	.fops = &radeon_driver_kms_fops,
254#endif /* FREEBSD_WIP */
255
256#ifdef FREEBSD_WIP
257	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
258	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
259	.gem_prime_export = radeon_gem_prime_export,
260	.gem_prime_import = radeon_gem_prime_import,
261#endif /* FREEBSD_WIP */
262
263	.name = DRIVER_NAME,
264	.desc = DRIVER_DESC,
265	.date = DRIVER_DATE,
266	.major = KMS_DRIVER_MAJOR,
267	.minor = KMS_DRIVER_MINOR,
268	.patchlevel = KMS_DRIVER_PATCHLEVEL,
269};
270
271#ifdef FREEBSD_WIP
272static int __init radeon_init(void)
273{
274	driver = &driver_old;
275	pdriver = &radeon_pci_driver;
276	driver->num_ioctls = radeon_max_ioctl;
277#ifdef CONFIG_VGA_CONSOLE
278	if (vgacon_text_force() && radeon_modeset == -1) {
279		DRM_INFO("VGACON disable radeon kernel modesetting.\n");
280		driver = &driver_old;
281		pdriver = &radeon_pci_driver;
282		driver->driver_features &= ~DRIVER_MODESET;
283		radeon_modeset = 0;
284	}
285#endif
286	/* if enabled by default */
287	if (radeon_modeset == -1) {
288#ifdef CONFIG_DRM_RADEON_KMS
289		DRM_INFO("radeon defaulting to kernel modesetting.\n");
290		radeon_modeset = 1;
291#else
292		DRM_INFO("radeon defaulting to userspace modesetting.\n");
293		radeon_modeset = 0;
294#endif
295	}
296	if (radeon_modeset == 1) {
297		DRM_INFO("radeon kernel modesetting enabled.\n");
298		driver = &kms_driver;
299		pdriver = &radeon_kms_pci_driver;
300		driver->driver_features |= DRIVER_MODESET;
301		driver->num_ioctls = radeon_max_kms_ioctl;
302		radeon_register_atpx_handler();
303	}
304	/* if the vga console setting is enabled still
305	 * let modprobe override it */
306	return drm_pci_init(driver, pdriver);
307}
308
309static void __exit radeon_exit(void)
310{
311	drm_pci_exit(driver, pdriver);
312	radeon_unregister_atpx_handler();
313}
314#endif /* FREEBSD_WIP */
315
316/* =================================================================== */
317
318static int
319radeon_probe(device_t kdev)
320{
321
322	return (-drm_probe_helper(kdev, pciidlist));
323}
324
325static int
326radeon_attach(device_t kdev)
327{
328
329	if (radeon_modeset == 1) {
330		kms_driver.driver_features |= DRIVER_MODESET;
331		kms_driver.num_ioctls = radeon_max_kms_ioctl;
332		radeon_register_atpx_handler();
333	}
334	return (-drm_attach_helper(kdev, pciidlist, &kms_driver));
335}
336
337static int
338radeon_suspend(device_t kdev)
339{
340	struct drm_device *dev;
341	int ret;
342
343	dev = device_get_softc(kdev);
344	ret = radeon_suspend_kms(dev);
345	if (ret)
346		return (-ret);
347
348	ret = bus_generic_suspend(kdev);
349
350	return (ret);
351}
352
353static int
354radeon_resume(device_t kdev)
355{
356	struct drm_device *dev;
357	int ret;
358
359	dev = device_get_softc(kdev);
360	ret = radeon_resume_kms(dev);
361	if (ret)
362		return (-ret);
363
364	ret = bus_generic_resume(kdev);
365
366	return (ret);
367}
368
369extern struct fb_info *	radeon_fb_helper_getinfo(device_t kdev);
370
371static device_method_t radeon_methods[] = {
372	/* Device interface */
373	DEVMETHOD(device_probe,		radeon_probe),
374	DEVMETHOD(device_attach,	radeon_attach),
375	DEVMETHOD(device_suspend,	radeon_suspend),
376	DEVMETHOD(device_resume,	radeon_resume),
377	DEVMETHOD(device_detach,	drm_generic_detach),
378
379	/* Framebuffer service methods */
380	DEVMETHOD(fb_getinfo,		radeon_fb_helper_getinfo),
381
382	DEVMETHOD_END
383};
384
385static driver_t radeon_driver = {
386	"drmn",
387	radeon_methods,
388	sizeof(struct drm_device)
389};
390
391extern devclass_t drm_devclass;
392DRIVER_MODULE_ORDERED(radeonkms, vgapci, radeon_driver, drm_devclass,
393    NULL, NULL, SI_ORDER_ANY);
394MODULE_DEPEND(radeonkms, drmn, 1, 1, 1);
395MODULE_DEPEND(radeonkms, agp, 1, 1, 1);
396MODULE_DEPEND(radeonkms, iicbus, 1, 1, 1);
397MODULE_DEPEND(radeonkms, iic, 1, 1, 1);
398MODULE_DEPEND(radeonkms, iicbb, 1, 1, 1);
399MODULE_DEPEND(radeonkms, firmware, 1, 1, 1);
400MODULE_PNP_INFO("U32:vendor;U32:device;P:#;D:#", vgapci, radeonkms,
401    pciidlist, nitems(pciidlist) - 1);
402