/*- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. * * 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, sublicense, * 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 above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * 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 NONINFRINGEMENT. IN NO EVENT SHALL * PRECISION INSIGHT 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. * * Authors: * Gareth Hughes * Eric Anholt * */ /** @file drm_scatter.c * Allocation of memory for scatter-gather mappings by the graphics chip. * * The memory allocated here is then made into an aperture in the card * by drm_ati_pcigart_init(). */ #include "drmP.h" #define DEBUG_SCATTER 0 void drm_sg_cleanup(drm_sg_mem_t *entry) { free((void *)entry->handle, M_DRM); free(entry->busaddr, M_DRM); free(entry, M_DRM); } int drm_sg_alloc(drm_device_t * dev, drm_scatter_gather_t * request) { drm_sg_mem_t *entry; unsigned long pages; int i; if ( dev->sg ) return EINVAL; entry = malloc(sizeof(*entry), M_DRM, M_WAITOK | M_ZERO); if ( !entry ) return ENOMEM; pages = round_page(request->size) / PAGE_SIZE; DRM_DEBUG( "sg size=%ld pages=%ld\n", request->size, pages ); entry->pages = pages; entry->busaddr = malloc(pages * sizeof(*entry->busaddr), M_DRM, M_WAITOK | M_ZERO); if ( !entry->busaddr ) { drm_sg_cleanup(entry); return ENOMEM; } entry->handle = (long)malloc(pages << PAGE_SHIFT, M_DRM, M_WAITOK | M_ZERO); if (entry->handle == 0) { drm_sg_cleanup(entry); return ENOMEM; } for (i = 0; i < pages; i++) { entry->busaddr[i] = vtophys(entry->handle + i * PAGE_SIZE); } DRM_DEBUG( "sg alloc handle = %08lx\n", entry->handle ); entry->virtual = (void *)entry->handle; request->handle = entry->handle; DRM_LOCK(); if (dev->sg) { DRM_UNLOCK(); drm_sg_cleanup(entry); return EINVAL; } dev->sg = entry; DRM_UNLOCK(); return 0; } int drm_sg_alloc_ioctl(drm_device_t *dev, void *data, struct drm_file *file_priv) { drm_scatter_gather_t *request = data; int ret; DRM_DEBUG( "%s\n", __FUNCTION__ ); ret = drm_sg_alloc(dev, request); return ret; } int drm_sg_free(drm_device_t *dev, void *data, struct drm_file *file_priv) { drm_scatter_gather_t *request = data; drm_sg_mem_t *entry; DRM_LOCK(); entry = dev->sg; dev->sg = NULL; DRM_UNLOCK(); if ( !entry || entry->handle != request->handle ) return EINVAL; DRM_DEBUG( "sg free virtual = 0x%lx\n", entry->handle ); drm_sg_cleanup(entry); return 0; } #n9'>9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317

#!/usr/bin/python3

import urwid
import pykms

def exit_on_q(key):
	if key in ('q', 'Q'):
		raise urwid.ExitMainLoop()
	elif key == 'a':
		apply_mode()

alarm_handle = None

def recalc_info(l, d):
	global alarm_handle

	alarm_handle = None

	for w in recalc_list:
		w.recalc()

def div_or_zero(n, d):
	if d == 0:
		return 0
	else:
		return n / d

class MyIntEdit(urwid.IntEdit):
	_metaclass_ = urwid.signals.MetaSignals
	signals = ['value_change']

	def __init__(self, caption, calc=None):
		self._myval = 0
		self._disable_change = False
		self._calc = calc
		self._updlist = None

		super().__init__(caption, 0)

	def set_edit_text(self, text):
		global alarm_handle

		super().set_edit_text(text)
		newtext = super().get_edit_text()
		new_val = int(newtext) if newtext != "" else 0
		if new_val != self._myval:
			self._myval = new_val
			if not self._disable_change:
				urwid.emit_signal(self, 'value_change', self, self._myval)

				if alarm_handle == None:
					alarm_handle = loop.set_alarm_in(0, recalc_info)

				if self._updlist != None:
					for w in self._updlist:
						w.recalc()

	def recalc(self):
		self._disable_change = True
		self.set_val(self._calc())
		self._disable_change = False

	def set_val(self, val):
		self.set_edit_text(str(int(val)))

	def get_val(self):
		return self._myval

	def set_updlist(self, list):
		self._updlist = list

	def keypress(self, size, key):
		if key == '+':
			self.set_edit_text(str(self.value() + 1))
		elif key == '-':
			self.set_edit_text(str(self.value() - 1))
		else:
			return super().keypress(size, key)

class MyIntText(urwid.Text):
	def __init__(self, fmt, calc=None):
		super().__init__("")
		self._fmt = fmt
		self._calc = calc

	def recalc(self):
		val = self._calc()
		super().set_text(self._fmt.format(val))

def khz_to_ps(khz):
	if khz == 0:
		return 0
	else:
		return 1.0 / khz * 1000 * 1000 * 1000

def khz_to_us(khz):
	if khz == 0:
		return 0
	else:
		return 1.0 / khz * 1000

pclk_khz_widget = MyIntEdit(u"pclk (kHz) ")
pclk_ps_widget = MyIntText(fmt="pclk {:.2f} ps", calc = lambda: khz_to_ps(pclk_khz_widget.get_val()))

pclk_widgets = [pclk_khz_widget, pclk_ps_widget]

pclk_columns = urwid.LineBox(urwid.Columns(pclk_widgets), title = "Pixel clock")

# Horizontal widgets

hdisp_widget = MyIntEdit(u"hdisp ", calc = lambda: hdisp2_widget.get_val())
hfp_widget = MyIntEdit(u"hfp   ", calc = lambda: hss_widget.get_val() - hdisp_widget.get_val())
hsw_widget = MyIntEdit(u"hsw   ", calc = lambda: hse_widget.get_val() - hss_widget.get_val())
hbp_widget = MyIntEdit(u"hbp   ", calc = lambda: htot_widget.get_val() - hse_widget.get_val())

hdisp2_widget = MyIntEdit(u"hdisp ", calc = lambda: hdisp_widget.get_val())
hss_widget = MyIntEdit(u"hss   ",
	calc = lambda: hdisp_widget.get_val() + hfp_widget.get_val())
hse_widget = MyIntEdit(u"hse   ",
	calc = lambda: hdisp_widget.get_val() + hfp_widget.get_val() + hsw_widget.get_val())
htot_widget = MyIntEdit(u"htot  ",
	calc = lambda: hdisp_widget.get_val() + hfp_widget.get_val() + hsw_widget.get_val() + hbp_widget.get_val())

hwidgets1 = [hdisp_widget, hfp_widget, hsw_widget, hbp_widget]
hwidgets2 = [hdisp2_widget, hss_widget, hse_widget, htot_widget]

horiz_pile1 = urwid.Pile(hwidgets1)
horiz_pile2 = urwid.Pile(hwidgets2)

h_columns = urwid.LineBox(urwid.Columns([(15, horiz_pile1), (15, horiz_pile2)]), title = "Horizontal")

# Vertical columns

vdisp_widget = MyIntEdit(u"vdisp ", calc = lambda: vdisp2_widget.get_val())
vfp_widget = MyIntEdit(u"vfp   ", calc = lambda: vss_widget.get_val() - vdisp_widget.get_val())
vsw_widget = MyIntEdit(u"vsw   ", calc = lambda: vse_widget.get_val() - vss_widget.get_val())
vbp_widget = MyIntEdit(u"vbp   ", calc = lambda: vtot_widget.get_val() - vse_widget.get_val())

vdisp2_widget = MyIntEdit(u"vdisp ", calc = lambda: vdisp_widget.get_val())
vss_widget = MyIntEdit(u"vss   ",
	calc = lambda: vdisp_widget.get_val() + vfp_widget.get_val())
vse_widget = MyIntEdit(u"vse   ",
	calc = lambda: vdisp_widget.get_val() + vfp_widget.get_val() + vsw_widget.get_val())
vtot_widget = MyIntEdit(u"vtot  ",
	calc = lambda: vdisp_widget.get_val() + vfp_widget.get_val() + vsw_widget.get_val() + vbp_widget.get_val())

vwidgets1 = [vdisp_widget, vfp_widget, vsw_widget, vbp_widget]
vwidgets2 = [vdisp2_widget, vss_widget, vse_widget, vtot_widget]

vert_pile1 = urwid.Pile(vwidgets1)
vert_pile2 = urwid.Pile(vwidgets2)

v_columns = urwid.LineBox(urwid.Columns([(15, vert_pile1), (15, vert_pile2)]), title = "Vertical")

# Info widgets

line_us_widget = MyIntText(fmt="line {:.2f} us",
	calc = lambda: khz_to_us(pclk_khz_widget.get_val()) * htot_widget.get_val())
line_khz_widget = MyIntText(fmt="line {:.2f} kHz",
	calc = lambda: div_or_zero(pclk_khz_widget.get_val(), htot_widget.get_val()))

frame_tot_widget = MyIntText(fmt="tot {} pix",
	calc = lambda: htot_widget.get_val() * vtot_widget.get_val())
frame_us_widget = MyIntText(fmt="frame {:.2f} ms",
	calc = lambda: khz_to_us(pclk_khz_widget.get_val()) * htot_widget.get_val() * vtot_widget.get_val() / 1000)
frame_khz_widget = MyIntText(fmt="frame {:.2f} Hz",
	calc = lambda: div_or_zero(pclk_khz_widget.get_val() * 1000,  htot_widget.get_val() * vtot_widget.get_val()))

info_box = urwid.LineBox(urwid.Pile([line_us_widget, line_khz_widget, urwid.Divider(), frame_tot_widget, frame_us_widget, frame_khz_widget]), title = "Info")

# Set update lists

recalc_list = [ pclk_ps_widget, line_us_widget, line_khz_widget, frame_tot_widget, frame_us_widget, frame_khz_widget ]

hdisp_widget.set_updlist([hdisp2_widget, hss_widget, hse_widget, htot_widget])
hfp_widget.set_updlist([hss_widget, hse_widget, htot_widget])
hsw_widget.set_updlist([hse_widget, htot_widget])
hbp_widget.set_updlist([htot_widget])
hdisp2_widget.set_updlist([hdisp_widget, hfp_widget])
hss_widget.set_updlist([hfp_widget, hsw_widget])
hse_widget.set_updlist([hsw_widget, hbp_widget])
htot_widget.set_updlist([hbp_widget])

vdisp_widget.set_updlist([vdisp2_widget, vss_widget, vse_widget, vtot_widget])
vfp_widget.set_updlist([vss_widget, vse_widget, vtot_widget])
vsw_widget.set_updlist([vse_widget, vtot_widget])
vbp_widget.set_updlist([vtot_widget])
vdisp2_widget.set_updlist([vdisp_widget, vfp_widget])
vss_widget.set_updlist([vfp_widget, vsw_widget])
vse_widget.set_updlist([vsw_widget, vbp_widget])
vtot_widget.set_updlist([vbp_widget])

# Flags

fb = None

DRM_MODE_FLAG_PHSYNC = (1<<0)
DRM_MODE_FLAG_NHSYNC = (1<<1)
DRM_MODE_FLAG_PVSYNC = (1<<2)
DRM_MODE_FLAG_NVSYNC = (1<<3)
DRM_MODE_FLAG_INTERLACE = (1<<4)
DRM_MODE_FLAG_DBLCLK = (1<<12)

def mode_is_ilace(mode):
	return (mode.flags & DRM_MODE_FLAG_INTERLACE) != 0

def apply_mode():
	global fb

	mode = pykms.Videomode()
	mode.clock = pclk_khz_widget.get_val()

	mode.hdisplay = hdisp2_widget.get_val()
	mode.hsync_start = hss_widget.get_val()
	mode.hsync_end = hse_widget.get_val()
	mode.htotal = htot_widget.get_val()

	mode.vdisplay = vdisp2_widget.get_val()
	mode.vsync_start = vss_widget.get_val()
	mode.vsync_end = vse_widget.get_val()
	mode.vtotal = vtot_widget.get_val()

	if ilace_box.state:
		mode.flags |= DRM_MODE_FLAG_INTERLACE

	if dblclk_box.state:
		mode.flags |= DRM_MODE_FLAG_DBLCLK

	if hsync_pol.state == True:
		mode.flags |= DRM_MODE_FLAG_PHSYNC
	elif hsync_pol.state == False:
		mode.flags |= DRM_MODE_FLAG_NHSYNC

	if vsync_pol.state == True:
		mode.flags |= DRM_MODE_FLAG_PVSYNC
	elif vsync_pol.state == False:
		mode.flags |= DRM_MODE_FLAG_NVSYNC

	fb = pykms.DumbFramebuffer(card, mode.hdisplay, mode.vdisplay, "XR24");
	pykms.draw_test_pattern(fb);

	crtc.set_mode(conn, fb, mode)

def read_mode(mode):
	pclk_khz_widget.set_val(mode.clock)
	hdisp2_widget.set_val(mode.hdisplay)
	hss_widget.set_val(mode.hsync_start)
	hse_widget.set_val(mode.hsync_end)
	htot_widget.set_val(mode.htotal)

	vdisp2_widget.set_val(mode.vdisplay)
	vss_widget.set_val(mode.vsync_start)
	vse_widget.set_val(mode.vsync_end)
	vtot_widget.set_val(mode.vtotal)

	ilace_box.set_state(mode_is_ilace(mode))
	dblclk_box.set_state((mode.flags & DRM_MODE_FLAG_DBLCLK) != 0)

	sync = 'mixed'
	if (mode.flags & DRM_MODE_FLAG_PHSYNC) != 0:
		sync = True
	elif (mode.flags & DRM_MODE_FLAG_NHSYNC) != 0:
		sync = False
	hsync_pol.set_state(sync)

	sync = 'mixed'
	if (mode.flags & DRM_MODE_FLAG_PVSYNC) != 0:
		sync = True
	elif (mode.flags & DRM_MODE_FLAG_NVSYNC) != 0:
		sync = False
	vsync_pol.set_state(sync)

def apply_press(w):
	apply_mode()

ilace_box = urwid.CheckBox('interlace')
hsync_pol = urwid.CheckBox('hsync positive', has_mixed=True)
vsync_pol = urwid.CheckBox('vsync positive', has_mixed=True)
dblclk_box = urwid.CheckBox('double clock')

flags_pile = urwid.LineBox(urwid.Pile([ilace_box, hsync_pol, vsync_pol, dblclk_box]), title = "Flags")

apply_button = urwid.LineBox(urwid.Padding(urwid.Button('apply', on_press=apply_press)))

# Main

def mode_press(w, mode):
	read_mode(mode)

def mode_to_str(mode):
	return "{}@{}{}".format(mode.name, mode.vrefresh, "i" if mode_is_ilace(mode) else "")

mode_buttons = []

card = pykms.Card()
conn = card.get_first_connected_connector()
crtc = conn.get_current_crtc()
modes = conn.get_modes()
i = 0
for m in modes:
	mode_buttons.append(urwid.Button(mode_to_str(m), on_press=mode_press, user_data=m))
	i += 1

modes_pile = urwid.LineBox(urwid.Pile(mode_buttons), title = "Video modes")

main_pile = urwid.Pile([modes_pile, pclk_columns, urwid.Columns([ h_columns, v_columns ]), info_box, flags_pile, apply_button])

main_columns = urwid.Filler(main_pile, valign='top')

loop = urwid.MainLoop(main_columns, unhandled_input=exit_on_q, handle_mouse=False)

# select the first mode
mode_press(None, modes[0])

loop.run()

fb = None