intelfbhw.c revision 3f7a26b4b9768fe31597d1af35106aa512dc3742
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * intelfb 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Linux framebuffer driver for Intel(R) 865G integrated graphics chips. 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 696de0e252cedffad61b3cb5e05662c591898e69aJan Engelhardt * Copyright © 2002, 2003 David Dawes <dawes@xfree86.org> 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2004 Sylvain Meyer 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This driver consists of two parts. The first part (intelfbdrv.c) provides 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the basic fbdev interfaces, is derived in part from the radeonfb and 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * vesafb drivers, and is covered by the GPL. The second part (intelfbhw.c) 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * provides the code to program the hardware. Most of it is derived from 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the i810/i830 XFree86 driver. The HW-specific code is covered here 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * under a dual license (GPL and MIT/XFree86 license). 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Author: David Dawes 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* $DHD: intelfb/intelfbhw.c,v 1.9 2003/06/27 15:06:25 dawes Exp $ */ 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/errno.h> 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/string.h> 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/mm.h> 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/slab.h> 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/delay.h> 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/fb.h> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioport.h> 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pci.h> 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/vmalloc.h> 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pagemap.h> 357649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt#include <linux/interrupt.h> 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "intelfb.h" 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "intelfbhw.h" 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 427258b11d2e9a47d2b01620622579f22906960e1aDave Airliestruct pll_min_max { 4351d797474f87b375819d084f7583a2864c5656c4Dave Airlie int min_m, max_m, min_m1, max_m1; 4451d797474f87b375819d084f7583a2864c5656c4Dave Airlie int min_m2, max_m2, min_n, max_n; 4551d797474f87b375819d084f7583a2864c5656c4Dave Airlie int min_p, max_p, min_p1, max_p1; 4651d797474f87b375819d084f7583a2864c5656c4Dave Airlie int min_vco, max_vco, p_transition_clk, ref_clk; 4716109b3f4c1f2635afd32eb6d49348590de2cb25Dave Airlie int p_inc_lo, p_inc_hi; 487258b11d2e9a47d2b01620622579f22906960e1aDave Airlie}; 497258b11d2e9a47d2b01620622579f22906960e1aDave Airlie 507258b11d2e9a47d2b01620622579f22906960e1aDave Airlie#define PLLS_I8xx 0 517258b11d2e9a47d2b01620622579f22906960e1aDave Airlie#define PLLS_I9xx 1 527258b11d2e9a47d2b01620622579f22906960e1aDave Airlie#define PLLS_MAX 2 537258b11d2e9a47d2b01620622579f22906960e1aDave Airlie 5446f60b8e67e6fceede851dc69cdee2d7c0de27b9Dave Airliestatic struct pll_min_max plls[PLLS_MAX] = { 5551d797474f87b375819d084f7583a2864c5656c4Dave Airlie { 108, 140, 18, 26, 5651d797474f87b375819d084f7583a2864c5656c4Dave Airlie 6, 16, 3, 16, 5751d797474f87b375819d084f7583a2864c5656c4Dave Airlie 4, 128, 0, 31, 5851d797474f87b375819d084f7583a2864c5656c4Dave Airlie 930000, 1400000, 165000, 48000, 59689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa 4, 2 }, /* I8xx */ 6051d797474f87b375819d084f7583a2864c5656c4Dave Airlie 6151d797474f87b375819d084f7583a2864c5656c4Dave Airlie { 75, 120, 10, 20, 6251d797474f87b375819d084f7583a2864c5656c4Dave Airlie 5, 9, 4, 7, 6351d797474f87b375819d084f7583a2864c5656c4Dave Airlie 5, 80, 1, 8, 6451d797474f87b375819d084f7583a2864c5656c4Dave Airlie 1400000, 2800000, 200000, 96000, 65689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa 10, 5 } /* I9xx */ 667258b11d2e9a47d2b01620622579f22906960e1aDave Airlie}; 677258b11d2e9a47d2b01620622579f22906960e1aDave Airlie 68689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_get_chipset(struct pci_dev *pdev, struct intelfb_info *dinfo) 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 71d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie if (!pdev || !dinfo) 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (pdev->device) { 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_830M: 76d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 830M"; 77d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_830M; 78d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 1; 79d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I8xx; 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_845G: 82d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 845G"; 83d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_845G; 84d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 0; 85d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I8xx; 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_85XGM: 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = 0; 89d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 1; 90d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I8xx; 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_read_config_dword(pdev, INTEL_85X_CAPID, &tmp); 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch ((tmp >> INTEL_85X_VARIANT_SHIFT) & 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds INTEL_85X_VARIANT_MASK) { 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_855GME: 95d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 855GME"; 96d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_855GME; 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_855GM: 99d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 855GM"; 100d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_855GM; 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_852GME: 103d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 852GME"; 104d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_852GME; 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_852GM: 107d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 852GM"; 108d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_852GM; 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 111d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 852GM/855GM"; 112d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_85XGM; 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_865G: 117d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 865G"; 118d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_865G; 119d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 0; 120d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I8xx; 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_915G: 123d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 915G"; 124d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_915G; 125d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 0; 126d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I9xx; 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1283a59026ba111d85b1a86af0f1c4e5a8ef1242d82Scott MacKenzie case PCI_DEVICE_ID_INTEL_915GM: 129d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 915GM"; 130d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_915GM; 131d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 1; 132d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I9xx; 1333a59026ba111d85b1a86af0f1c4e5a8ef1242d82Scott MacKenzie return 0; 1349639d5ec07a490134f05ac890506a367aaf8663bDave Airlie case PCI_DEVICE_ID_INTEL_945G: 1359639d5ec07a490134f05ac890506a367aaf8663bDave Airlie dinfo->name = "Intel(R) 945G"; 1369639d5ec07a490134f05ac890506a367aaf8663bDave Airlie dinfo->chipset = INTEL_945G; 1379639d5ec07a490134f05ac890506a367aaf8663bDave Airlie dinfo->mobile = 0; 1389639d5ec07a490134f05ac890506a367aaf8663bDave Airlie dinfo->pll_index = PLLS_I9xx; 1399639d5ec07a490134f05ac890506a367aaf8663bDave Airlie return 0; 1409a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie case PCI_DEVICE_ID_INTEL_945GM: 1419a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie dinfo->name = "Intel(R) 945GM"; 1429a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie dinfo->chipset = INTEL_945GM; 1439a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie dinfo->mobile = 1; 1449a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie dinfo->pll_index = PLLS_I9xx; 1459a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie return 0; 1463f7a26b4b9768fe31597d1af35106aa512dc3742Phil Endecott case PCI_DEVICE_ID_INTEL_945GME: 1473f7a26b4b9768fe31597d1af35106aa512dc3742Phil Endecott dinfo->name = "Intel(R) 945GME"; 1483f7a26b4b9768fe31597d1af35106aa512dc3742Phil Endecott dinfo->chipset = INTEL_945GME; 1493f7a26b4b9768fe31597d1af35106aa512dc3742Phil Endecott dinfo->mobile = 1; 1503f7a26b4b9768fe31597d1af35106aa512dc3742Phil Endecott dinfo->pll_index = PLLS_I9xx; 1513f7a26b4b9768fe31597d1af35106aa512dc3742Phil Endecott return 0; 1520e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme case PCI_DEVICE_ID_INTEL_965G: 1530e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->name = "Intel(R) 965G"; 1540e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->chipset = INTEL_965G; 1550e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->mobile = 0; 1560e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->pll_index = PLLS_I9xx; 1570e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme return 0; 1580e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme case PCI_DEVICE_ID_INTEL_965GM: 1590e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->name = "Intel(R) 965GM"; 1600e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->chipset = INTEL_965GM; 1610e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->mobile = 1; 1620e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->pll_index = PLLS_I9xx; 1630e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme return 0; 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 169689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_get_memory(struct pci_dev *pdev, int *aperture_size, 170689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa int *stolen_size) 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pci_dev *bridge_dev; 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 tmp; 1741aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt int stolen_overhead; 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!pdev || !aperture_size || !stolen_size) 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Find the bridge device. It is always 0:0.0 */ 180a77b8950019289611f836c8fc19f91592822efcdAlan Cox if (!(bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0)))) { 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("cannot find bridge device\n"); 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Get the fb aperture size and "stolen" memory amount. */ 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = 0; 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_read_config_word(bridge_dev, INTEL_GMCH_CTRL, &tmp); 188a77b8950019289611f836c8fc19f91592822efcdAlan Cox pci_dev_put(bridge_dev); 189a77b8950019289611f836c8fc19f91592822efcdAlan Cox 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (pdev->device) { 1911aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_915G: 1921aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_915GM: 1931aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_945G: 1941aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_945GM: 1953f7a26b4b9768fe31597d1af35106aa512dc3742Phil Endecott case PCI_DEVICE_ID_INTEL_945GME: 1960e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme case PCI_DEVICE_ID_INTEL_965G: 1970e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme case PCI_DEVICE_ID_INTEL_965GM: 1980e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme /* 915, 945 and 965 chipsets support a 256MB aperture. 1991aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt Aperture size is determined by inspected the 2001aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt base address of the aperture. */ 2011aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt if (pci_resource_start(pdev, 2) & 0x08000000) 2021aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *aperture_size = MB(128); 2031aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt else 2041aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *aperture_size = MB(256); 2051aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt break; 2061aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt default: 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((tmp & INTEL_GMCH_MEM_MASK) == INTEL_GMCH_MEM_64M) 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *aperture_size = MB(64); 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *aperture_size = MB(128); 2111aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt break; 2121aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt } 2131aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt 2141aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt /* Stolen memory size is reduced by the GTT and the popup. 2151aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt GTT is 1K per MB of aperture size, and popup is 4K. */ 2161aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt stolen_overhead = (*aperture_size / MB(1)) + 4; 2171aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt switch(pdev->device) { 2181aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_830M: 2191aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_845G: 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (tmp & INTEL_830_GMCH_GMS_MASK) { 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_STOLEN_512: 2221aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = KB(512) - KB(stolen_overhead); 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_STOLEN_1024: 2251aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(1) - KB(stolen_overhead); 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_STOLEN_8192: 2281aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(8) - KB(stolen_overhead); 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_LOCAL: 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("only local memory found\n"); 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_DISABLED: 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("video memory is disabled\n"); 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("unexpected GMCH_GMS value: 0x%02x\n", 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp & INTEL_830_GMCH_GMS_MASK); 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (tmp & INTEL_855_GMCH_GMS_MASK) { 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_1M: 2451aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(1) - KB(stolen_overhead); 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_4M: 2481aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(4) - KB(stolen_overhead); 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_8M: 2511aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(8) - KB(stolen_overhead); 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_16M: 2541aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(16) - KB(stolen_overhead); 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_32M: 2571aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(32) - KB(stolen_overhead); 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_915G_GMCH_GMS_STOLEN_48M: 2601aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(48) - KB(stolen_overhead); 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_915G_GMCH_GMS_STOLEN_64M: 2631aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(64) - KB(stolen_overhead); 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_DISABLED: 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("video memory is disabled\n"); 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("unexpected GMCH_GMS value: 0x%02x\n", 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp & INTEL_855_GMCH_GMS_MASK); 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 276689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_check_non_crt(struct intelfb_info *dinfo) 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int dvo = 0; 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(LVDS) & PORT_ENABLE) 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= LVDS_PORT; 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(DVOA) & PORT_ENABLE) 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= DVOA_PORT; 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(DVOB) & PORT_ENABLE) 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= DVOB_PORT; 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(DVOC) & PORT_ENABLE) 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= DVOC_PORT; 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return dvo; 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 292689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaconst char * intelfbhw_dvo_to_string(int dvo) 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dvo & DVOA_PORT) 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "DVO port A"; 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (dvo & DVOB_PORT) 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "DVO port B"; 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (dvo & DVOC_PORT) 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "DVO port C"; 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (dvo & LVDS_PORT) 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "LVDS port"; 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return NULL; 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 307689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_validate_mode(struct intelfb_info *dinfo, 308689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa struct fb_var_screeninfo *var) 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int bytes_per_pixel; 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int tmp; 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_validate_mode\n"); 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bytes_per_pixel = var->bits_per_pixel / 8; 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bytes_per_pixel == 3) 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bytes_per_pixel = 4; 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check if enough video memory. */ 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = var->yres_virtual * var->xres_virtual * bytes_per_pixel; 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp > dinfo->fb.size) { 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Not enough video ram for mode " 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "(%d KByte vs %d KByte).\n", 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BtoKB(tmp), BtoKB(dinfo->fb.size)); 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check if x/y limits are OK. */ 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (var->xres - 1 > HACTIVE_MASK) { 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("X resolution too large (%d vs %d).\n", 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds var->xres, HACTIVE_MASK + 1); 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (var->yres - 1 > VACTIVE_MASK) { 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Y resolution too large (%d vs %d).\n", 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds var->yres, VACTIVE_MASK + 1); 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 34128ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa if (var->xres < 4) { 34228ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa WRN_MSG("X resolution too small (%d vs 4).\n", var->xres); 34328ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa return 1; 34428ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa } 34528ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa if (var->yres < 4) { 34628ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa WRN_MSG("Y resolution too small (%d vs 4).\n", var->yres); 34728ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa return 1; 34828ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa } 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 35010b98368a0a94b015c1a596b7a02eff447a65226Krzysztof Halasa /* Check for doublescan modes. */ 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (var->vmode & FB_VMODE_DOUBLE) { 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Mode is double-scan.\n"); 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 35628ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa if ((var->vmode & FB_VMODE_INTERLACED) && (var->yres & 1)) { 35728ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa WRN_MSG("Odd number of lines in interlaced mode\n"); 35828ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa return 1; 35928ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa } 36028ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check if clock is OK. */ 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = 1000000000 / var->pixclock; 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp < MIN_CLOCK) { 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Pixel clock is too low (%d MHz vs %d MHz).\n", 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (tmp + 500) / 1000, MIN_CLOCK / 1000); 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp > MAX_CLOCK) { 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Pixel clock is too high (%d MHz vs %d MHz).\n", 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (tmp + 500) / 1000, MAX_CLOCK / 1000); 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 377689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct intelfb_info *dinfo = GET_DINFO(info); 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 offset, xoffset, yoffset; 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_pan_display\n"); 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds xoffset = ROUND_DOWN_TO(var->xoffset, 8); 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds yoffset = var->yoffset; 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((xoffset + var->xres > var->xres_virtual) || 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (yoffset + var->yres > var->yres_virtual)) 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds offset = (yoffset * dinfo->pitch) + 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (xoffset * var->bits_per_pixel) / 8; 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds offset += dinfo->fb.offset << 12; 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 398f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt dinfo->vsync.pan_offset = offset; 399689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa if ((var->activate & FB_ACTIVATE_VBL) && 400394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa !intelfbhw_enable_irq(dinfo)) 401f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt dinfo->vsync.pan_display = 1; 402689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa else { 403f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt dinfo->vsync.pan_display = 0; 404f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt OUTREG(DSPABASE, offset); 405f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt } 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Blank the screen. */ 411689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_do_blank(int blank, struct fb_info *info) 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct intelfb_info *dinfo = GET_DINFO(info); 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_blank: blank is %d\n", blank); 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Turn plane A on or off */ 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (blank) 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~DISPPLANE_PLANE_ENABLE; 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= DISPPLANE_PLANE_ENABLE; 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush */ 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPABASE); 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPABASE, tmp); 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Turn off/on the HW cursor */ 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("cursor_on is %d\n", dinfo->cursor_on); 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->cursor_on) { 436689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa if (blank) 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds intelfbhw_cursor_hide(dinfo); 438689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa else 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds intelfbhw_cursor_show(dinfo); 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_on = 1; 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_blanked = blank; 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set DPMS level */ 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(ADPA) & ~ADPA_DPMS_CONTROL_MASK; 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (blank) { 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_UNBLANK: 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_NORMAL: 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D0; 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_VSYNC_SUSPEND: 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D1; 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_HSYNC_SUSPEND: 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D2; 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_POWERDOWN: 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D3; 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, tmp); 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 467689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_setcolreg(struct intelfb_info *dinfo, unsigned regno, 468689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa unsigned red, unsigned green, unsigned blue, 469689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa unsigned transp) 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 471ee5618f4937dcbff15e504663d81a7adb3d849bfKrzysztof Halasa u32 palette_reg = (dinfo->pipe == PIPE_A) ? 472ee5618f4937dcbff15e504663d81a7adb3d849bfKrzysztof Halasa PALETTE_A : PALETTE_B; 473ee5618f4937dcbff15e504663d81a7adb3d849bfKrzysztof Halasa 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_setcolreg: %d: (%d, %d, %d)\n", 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds regno, red, green, blue); 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(palette_reg + (regno << 2), 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (red << PALETTE_8_RED_SHIFT) | 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (green << PALETTE_8_GREEN_SHIFT) | 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (blue << PALETTE_8_BLUE_SHIFT)); 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 486689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_read_hw_state(struct intelfb_info *dinfo, 487689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa struct intelfb_hwstate *hw, int flag) 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_read_hw_state\n"); 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!hw || !dinfo) 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Read in as much of the HW state as possible. */ 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vga0_divisor = INREG(VGA0_DIVISOR); 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vga1_divisor = INREG(VGA1_DIVISOR); 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vga_pd = INREG(VGAPD); 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dpll_a = INREG(DPLL_A); 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dpll_b = INREG(DPLL_B); 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpa0 = INREG(FPA0); 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpa1 = INREG(FPA1); 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpb0 = INREG(FPB0); 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpb1 = INREG(FPB1); 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 1) 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* This seems to be a problem with the 852GM/855GM */ 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < PALETTE_8_ENTRIES; i++) { 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->palette_a[i] = INREG(PALETTE_A + (i << 2)); 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->palette_b[i] = INREG(PALETTE_B + (i << 2)); 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 2) 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->htotal_a = INREG(HTOTAL_A); 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hblank_a = INREG(HBLANK_A); 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hsync_a = INREG(HSYNC_A); 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vtotal_a = INREG(VTOTAL_A); 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vblank_a = INREG(VBLANK_A); 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vsync_a = INREG(VSYNC_A); 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->src_size_a = INREG(SRC_SIZE_A); 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->bclrpat_a = INREG(BCLRPAT_A); 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->htotal_b = INREG(HTOTAL_B); 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hblank_b = INREG(HBLANK_B); 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hsync_b = INREG(HSYNC_B); 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vtotal_b = INREG(VTOTAL_B); 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vblank_b = INREG(VBLANK_B); 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vsync_b = INREG(VSYNC_B); 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->src_size_b = INREG(SRC_SIZE_B); 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->bclrpat_b = INREG(BCLRPAT_B); 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 3) 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa = INREG(ADPA); 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoa = INREG(DVOA); 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvob = INREG(DVOB); 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoc = INREG(DVOC); 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoa_srcdim = INREG(DVOA_SRCDIM); 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvob_srcdim = INREG(DVOB_SRCDIM); 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoc_srcdim = INREG(DVOC_SRCDIM); 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->lvds = INREG(LVDS); 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 4) 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->pipe_a_conf = INREG(PIPEACONF); 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->pipe_b_conf = INREG(PIPEBCONF); 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_arb = INREG(DISPARB); 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 5) 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_a_control = INREG(CURSOR_A_CONTROL); 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_b_control = INREG(CURSOR_B_CONTROL); 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_a_base = INREG(CURSOR_A_BASEADDR); 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_b_base = INREG(CURSOR_B_BASEADDR); 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 6) 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 4; i++) { 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_a_palette[i] = INREG(CURSOR_A_PALETTE0 + (i << 2)); 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_b_palette[i] = INREG(CURSOR_B_PALETTE0 + (i << 2)); 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 7) 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_size = INREG(CURSOR_SIZE); 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 8) 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl = INREG(DSPACNTR); 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_b_ctrl = INREG(DSPBCNTR); 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_base = INREG(DSPABASE); 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_b_base = INREG(DSPBBASE); 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_stride = INREG(DSPASTRIDE); 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_b_stride = INREG(DSPBSTRIDE); 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 9) 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vgacntrl = INREG(VGACNTRL); 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 10) 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->add_id = INREG(ADD_ID); 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 11) 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 7; i++) { 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf0x[i] = INREG(SWF00 + (i << 2)); 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf1x[i] = INREG(SWF10 + (i << 2)); 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < 3) 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf3x[i] = INREG(SWF30 + (i << 2)); 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 8; i++) 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fence[i] = INREG(FENCE + (i << 2)); 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->instpm = INREG(INSTPM); 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->mem_mode = INREG(MEM_MODE); 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fw_blc_0 = INREG(FW_BLC_0); 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fw_blc_1 = INREG(FW_BLC_1); 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6189a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt hw->hwstam = INREG16(HWSTAM); 6199a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt hw->ier = INREG16(IER); 6209a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt hw->iir = INREG16(IIR); 6219a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt hw->imr = INREG16(IMR); 6229a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 627d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airliestatic int calc_vclock3(int index, int m, int n, int p) 628d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie{ 6297679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie if (p == 0 || n == 0) 6307679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie return 0; 6313aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie return plls[index].ref_clk * m / n / p; 632d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie} 6338b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie 634689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic int calc_vclock(int index, int m1, int m2, int n, int p1, int p2, 635689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa int lvds) 636d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie{ 637c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie struct pll_min_max *pll = &plls[index]; 638c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie u32 m, vco, p; 639c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie 640c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie m = (5 * (m1 + 2)) + (m2 + 2); 641c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie n += 2; 642c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie vco = pll->ref_clk * m / n; 643c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie 644689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa if (index == PLLS_I8xx) 645c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p = ((p1 + 2) * (1 << (p2 + 1))); 646689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa else 647c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p = ((p1) * (p2 ? 5 : 10)); 648c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie return vco / p; 649d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie} 650d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie 6514dc3595f5c569021b1bd0109502acfca82036902Parag Warudkar#if REGDUMP 652689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic void intelfbhw_get_p1p2(struct intelfb_info *dinfo, int dpll, 653689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa int *o_p1, int *o_p2) 6542abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie{ 6552abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie int p1, p2; 6562abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 6572abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie if (IS_I9XX(dinfo)) { 6582abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie if (dpll & DPLL_P1_FORCE_DIV2) 6592abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p1 = 1; 6602abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie else 6612abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p1 = (dpll >> DPLL_P1_SHIFT) & 0xff; 662689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa 6632abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p1 = ffs(p1); 6642abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 6652abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p2 = (dpll >> DPLL_I9XX_P2_SHIFT) & DPLL_P2_MASK; 6662abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie } else { 6672abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie if (dpll & DPLL_P1_FORCE_DIV2) 6682abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p1 = 0; 6692abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie else 6702abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p1 = (dpll >> DPLL_P1_SHIFT) & DPLL_P1_MASK; 6712abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p2 = (dpll >> DPLL_P2_SHIFT) & DPLL_P2_MASK; 6722abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie } 6732abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 6742abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie *o_p1 = p1; 6752abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie *o_p2 = p2; 6762abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie} 6774dc3595f5c569021b1bd0109502acfca82036902Parag Warudkar#endif 6782abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 6792abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 680689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_print_hw_state(struct intelfb_info *dinfo, 681689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa struct intelfb_hwstate *hw) 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if REGDUMP 6841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, m1, m2, n, p1, p2; 685d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie int index = dinfo->pll_index; 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_print_hw_state\n"); 6873aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 688f84fcb06a1f7ab4ac0444ece82b25b0701369641Eric Sesterhenn if (!hw) 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Read in as much of the HW state as possible. */ 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("hw state dump start\n"); 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA0_DIVISOR: 0x%08x\n", hw->vga0_divisor); 6931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA1_DIVISOR: 0x%08x\n", hw->vga1_divisor); 694689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa printk(" VGAPD: 0x%08x\n", hw->vga_pd); 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->vga0_divisor >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->vga0_divisor >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->vga0_divisor >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 6983aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 6992abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie intelfbhw_get_p1p2(dinfo, hw->vga_pd, &p1, &p2); 7003aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA0: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 702d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie m1, m2, n, p1, p2); 7038b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie printk(" VGA0: clock is %d\n", 7043aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie calc_vclock(index, m1, m2, n, p1, p2, 0)); 7053aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->vga1_divisor >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->vga1_divisor >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->vga1_divisor >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7092abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 7102abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie intelfbhw_get_p1p2(dinfo, hw->vga_pd, &p1, &p2); 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA1: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 712d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie m1, m2, n, p1, p2); 713689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa printk(" VGA1: clock is %d\n", 714689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa calc_vclock(index, m1, m2, n, p1, p2, 0)); 7153aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DPLL_A: 0x%08x\n", hw->dpll_a); 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DPLL_B: 0x%08x\n", hw->dpll_b); 7181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPA0: 0x%08x\n", hw->fpa0); 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPA1: 0x%08x\n", hw->fpa1); 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPB0: 0x%08x\n", hw->fpb0); 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPB1: 0x%08x\n", hw->fpb1); 7223aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->fpa0 >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->fpa0 >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->fpa0 >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7263aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7272abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie intelfbhw_get_p1p2(dinfo, hw->dpll_a, &p1, &p2); 7283aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PLLA0: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 730d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie m1, m2, n, p1, p2); 731689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa printk(" PLLA0: clock is %d\n", 732689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa calc_vclock(index, m1, m2, n, p1, p2, 0)); 7333aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->fpa1 >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->fpa1 >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->fpa1 >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7373aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7382abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie intelfbhw_get_p1p2(dinfo, hw->dpll_a, &p1, &p2); 7393aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PLLA1: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 741d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie m1, m2, n, p1, p2); 742689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa printk(" PLLA1: clock is %d\n", 743689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa calc_vclock(index, m1, m2, n, p1, p2, 0)); 7443aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PALETTE_A:\n"); 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < PALETTE_8_ENTRIES) 748d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie printk(" %3d: 0x%08x\n", i, hw->palette_a[i]); 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PALETTE_B:\n"); 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < PALETTE_8_ENTRIES) 751d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie printk(" %3d: 0x%08x\n", i, hw->palette_b[i]); 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HTOTAL_A: 0x%08x\n", hw->htotal_a); 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HBLANK_A: 0x%08x\n", hw->hblank_a); 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HSYNC_A: 0x%08x\n", hw->hsync_a); 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VTOTAL_A: 0x%08x\n", hw->vtotal_a); 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VBLANK_A: 0x%08x\n", hw->vblank_a); 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VSYNC_A: 0x%08x\n", hw->vsync_a); 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SRC_SIZE_A: 0x%08x\n", hw->src_size_a); 7611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" BCLRPAT_A: 0x%08x\n", hw->bclrpat_a); 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HTOTAL_B: 0x%08x\n", hw->htotal_b); 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HBLANK_B: 0x%08x\n", hw->hblank_b); 7641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HSYNC_B: 0x%08x\n", hw->hsync_b); 7651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VTOTAL_B: 0x%08x\n", hw->vtotal_b); 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VBLANK_B: 0x%08x\n", hw->vblank_b); 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VSYNC_B: 0x%08x\n", hw->vsync_b); 7681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SRC_SIZE_B: 0x%08x\n", hw->src_size_b); 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" BCLRPAT_B: 0x%08x\n", hw->bclrpat_b); 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" ADPA: 0x%08x\n", hw->adpa); 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOA: 0x%08x\n", hw->dvoa); 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOB: 0x%08x\n", hw->dvob); 7741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOC: 0x%08x\n", hw->dvoc); 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOA_SRCDIM: 0x%08x\n", hw->dvoa_srcdim); 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOB_SRCDIM: 0x%08x\n", hw->dvob_srcdim); 7771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOC_SRCDIM: 0x%08x\n", hw->dvoc_srcdim); 7781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" LVDS: 0x%08x\n", hw->lvds); 7791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PIPEACONF: 0x%08x\n", hw->pipe_a_conf); 7811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PIPEBCONF: 0x%08x\n", hw->pipe_b_conf); 7821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DISPARB: 0x%08x\n", hw->disp_arb); 7831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_A_CONTROL: 0x%08x\n", hw->cursor_a_control); 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_B_CONTROL: 0x%08x\n", hw->cursor_b_control); 7861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_A_BASEADDR: 0x%08x\n", hw->cursor_a_base); 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_B_BASEADDR: 0x%08x\n", hw->cursor_b_base); 7881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_A_PALETTE: "); 7901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 4; i++) { 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("0x%08x", hw->cursor_a_palette[i]); 7921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < 3) 7931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(", "); 7941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("\n"); 7961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_B_PALETTE: "); 7971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 4; i++) { 7981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("0x%08x", hw->cursor_b_palette[i]); 7991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < 3) 8001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(", "); 8011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("\n"); 8031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_SIZE: 0x%08x\n", hw->cursor_size); 8051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPACNTR: 0x%08x\n", hw->disp_a_ctrl); 8071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPBCNTR: 0x%08x\n", hw->disp_b_ctrl); 8081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPABASE: 0x%08x\n", hw->disp_a_base); 8091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPBBASE: 0x%08x\n", hw->disp_b_base); 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPASTRIDE: 0x%08x\n", hw->disp_a_stride); 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPBSTRIDE: 0x%08x\n", hw->disp_b_stride); 8121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGACNTRL: 0x%08x\n", hw->vgacntrl); 8141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" ADD_ID: 0x%08x\n", hw->add_id); 8151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 7; i++) { 8171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SWF0%d 0x%08x\n", i, 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf0x[i]); 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 7; i++) { 8211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SWF1%d 0x%08x\n", i, 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf1x[i]); 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 3; i++) { 8251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SWF3%d 0x%08x\n", i, 826d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie hw->swf3x[i]); 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 8; i++) 8291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FENCE%d 0x%08x\n", i, 830d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie hw->fence[i]); 8318b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" INSTPM 0x%08x\n", hw->instpm); 8331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" MEM_MODE 0x%08x\n", hw->mem_mode); 8341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FW_BLC_0 0x%08x\n", hw->fw_blc_0); 8351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FW_BLC_1 0x%08x\n", hw->fw_blc_1); 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8379a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt printk(" HWSTAM 0x%04x\n", hw->hwstam); 8389a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt printk(" IER 0x%04x\n", hw->ier); 8399a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt printk(" IIR 0x%04x\n", hw->iir); 8409a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt printk(" IMR 0x%04x\n", hw->imr); 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("hw state dump end\n"); 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8458b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie 846d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Split the M parameter into M1 and M2. */ 848689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic int splitm(int index, unsigned int m, unsigned int *retm1, 849689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa unsigned int *retm2) 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int m1, m2; 8528492f081e5552ff388068f612eae6f55f7210ed4Dave Airlie int testm; 853c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie struct pll_min_max *pll = &plls[index]; 854c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie 8558492f081e5552ff388068f612eae6f55f7210ed4Dave Airlie /* no point optimising too much - brute force m */ 856c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie for (m1 = pll->min_m1; m1 < pll->max_m1 + 1; m1++) { 857c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie for (m2 = pll->min_m2; m2 < pll->max_m2 + 1; m2++) { 8583aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie testm = (5 * (m1 + 2)) + (m2 + 2); 8598b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie if (testm == m) { 8608b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie *retm1 = (unsigned int)m1; 8618b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie *retm2 = (unsigned int)m2; 8628b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie return 0; 8638b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie } 8648b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie } 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8668492f081e5552ff388068f612eae6f55f7210ed4Dave Airlie return 1; 8671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Split the P parameter into P1 and P2. */ 870689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic int splitp(int index, unsigned int p, unsigned int *retp1, 871689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa unsigned int *retp2) 8721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int p1, p2; 874c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie struct pll_min_max *pll = &plls[index]; 8751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8768b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie if (index == PLLS_I9xx) { 87751d797474f87b375819d084f7583a2864c5656c4Dave Airlie p2 = (p % 10) ? 1 : 0; 8783aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 8793aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie p1 = p / (p2 ? 5 : 10); 8803aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 881d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie *retp1 = (unsigned int)p1; 882d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie *retp2 = (unsigned int)p2; 883d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie return 0; 884d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie } 885d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie 886c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie if (p % 4 == 0) 887c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p2 = 1; 888c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie else 889c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p2 = 0; 890c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p1 = (p / (1 << (p2 + 1))) - 2; 891c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie if (p % 4 == 0 && p1 < pll->min_p1) { 892c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p2 = 0; 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p1 = (p / (1 << (p2 + 1))) - 2; 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 895c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie if (p1 < pll->min_p1 || p1 > pll->max_p1 || 896c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie (p1 + 2) * (1 << (p2 + 1)) != p) { 897c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie return 1; 898c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie } else { 899c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie *retp1 = (unsigned int)p1; 900c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie *retp2 = (unsigned int)p2; 901c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie return 0; 902c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie } 9031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 905689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic int calc_pll_params(int index, int clock, u32 *retm1, u32 *retm2, 906689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa u32 *retn, u32 *retp1, u32 *retp2, u32 *retclock) 9071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9087679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie u32 m1, m2, n, p1, p2, n1, testm; 9097679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie u32 f_vco, p, p_best = 0, m, f_out = 0; 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 err_max, err_target, err_best = 10000000; 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 n_best = 0, m_best = 0, f_best, f_err; 91251d797474f87b375819d084f7583a2864c5656c4Dave Airlie u32 p_min, p_max, p_inc, div_max; 91351d797474f87b375819d084f7583a2864c5656c4Dave Airlie struct pll_min_max *pll = &plls[index]; 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Accept 0.5% difference, but aim for 0.1% */ 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err_max = 5 * clock / 1000; 9171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err_target = clock / 1000; 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("Clock is %d\n", clock); 9201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 92151d797474f87b375819d084f7583a2864c5656c4Dave Airlie div_max = pll->max_vco / clock; 9221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 92351d797474f87b375819d084f7583a2864c5656c4Dave Airlie p_inc = (clock <= pll->p_transition_clk) ? pll->p_inc_lo : pll->p_inc_hi; 92451d797474f87b375819d084f7583a2864c5656c4Dave Airlie p_min = p_inc; 9251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p_max = ROUND_DOWN_TO(div_max, p_inc); 92651d797474f87b375819d084f7583a2864c5656c4Dave Airlie if (p_min < pll->min_p) 92751d797474f87b375819d084f7583a2864c5656c4Dave Airlie p_min = pll->min_p; 92851d797474f87b375819d084f7583a2864c5656c4Dave Airlie if (p_max > pll->max_p) 92951d797474f87b375819d084f7583a2864c5656c4Dave Airlie p_max = pll->max_p; 9301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("p range is %d-%d (%d)\n", p_min, p_max, p_inc); 9321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = p_min; 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 9357258b11d2e9a47d2b01620622579f22906960e1aDave Airlie if (splitp(index, p, &p1, &p2)) { 9361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("cannot split p = %d\n", p); 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p += p_inc; 9381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 9391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 94051d797474f87b375819d084f7583a2864c5656c4Dave Airlie n = pll->min_n; 9411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds f_vco = clock * p; 9421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 94451d797474f87b375819d084f7583a2864c5656c4Dave Airlie m = ROUND_UP_TO(f_vco * n, pll->ref_clk) / pll->ref_clk; 94551d797474f87b375819d084f7583a2864c5656c4Dave Airlie if (m < pll->min_m) 94651d797474f87b375819d084f7583a2864c5656c4Dave Airlie m = pll->min_m + 1; 94751d797474f87b375819d084f7583a2864c5656c4Dave Airlie if (m > pll->max_m) 94851d797474f87b375819d084f7583a2864c5656c4Dave Airlie m = pll->max_m - 1; 9497679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie for (testm = m - 1; testm <= m; testm++) { 9509c54ea95852a920720868d0e18bb4e9d645ea007Krzysztof Halasa f_out = calc_vclock3(index, testm, n, p); 951c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie if (splitm(index, testm, &m1, &m2)) { 9529c54ea95852a920720868d0e18bb4e9d645ea007Krzysztof Halasa WRN_MSG("cannot split m = %d\n", 9539c54ea95852a920720868d0e18bb4e9d645ea007Krzysztof Halasa testm); 9547679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie continue; 9557679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie } 9567679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie if (clock > f_out) 9577679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie f_err = clock - f_out; 9587679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie else/* slightly bias the error for bigger clocks */ 9597679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie f_err = f_out - clock + 1; 9603aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 9617679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie if (f_err < err_best) { 962c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie m_best = testm; 9637679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie n_best = n; 9647679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie p_best = p; 9657679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie f_best = f_out; 9667679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie err_best = f_err; 9677679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie } 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n++; 97051d797474f87b375819d084f7583a2864c5656c4Dave Airlie } while ((n <= pll->max_n) && (f_out >= clock)); 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p += p_inc; 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } while ((p <= p_max)); 9731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!m_best) { 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("cannot find parameters for clock %d\n", clock); 9761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m = m_best; 9791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = n_best; 9801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = p_best; 9817258b11d2e9a47d2b01620622579f22906960e1aDave Airlie splitm(index, m, &m1, &m2); 9827258b11d2e9a47d2b01620622579f22906960e1aDave Airlie splitp(index, p, &p1, &p2); 9831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n1 = n - 2; 9841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("m, n, p: %d (%d,%d), %d (%d), %d (%d,%d), " 9861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "f: %d (%d), VCO: %d\n", 9871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m, m1, m2, n, n1, p, p1, p2, 9888b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie calc_vclock3(index, m, n, p), 9893aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie calc_vclock(index, m1, m2, n1, p1, p2, 0), 990d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie calc_vclock3(index, m, n, p) * p); 9911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retm1 = m1; 9921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retm2 = m2; 9931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retn = n1; 9941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retp1 = p1; 9951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retp2 = p2; 9963aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie *retclock = calc_vclock(index, m1, m2, n1, p1, p2, 0); 9971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 9991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1001689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic __inline__ int check_overflow(u32 value, u32 limit, 1002689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa const char *description) 10031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (value > limit) { 10051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("%s value %d exceeds limit %d\n", 10061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds description, value, limit); 10071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 10101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* It is assumed that hw is filled in with the initial state information. */ 1013689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_mode_to_hw(struct intelfb_info *dinfo, 1014689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa struct intelfb_hwstate *hw, 1015689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa struct fb_var_screeninfo *var) 10161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int pipe = PIPE_A; 10181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *dpll, *fp0, *fp1; 10191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 m1, m2, n, p1, p2, clock_target, clock; 10201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 hsync_start, hsync_end, hblank_start, hblank_end, htotal, hactive; 10211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 vsync_start, vsync_end, vblank_start, vblank_end, vtotal, vactive; 10221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 vsync_pol, hsync_pol; 10231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *vs, *vb, *vt, *hs, *hb, *ht, *ss, *pipe_conf; 1024df7df8ab7b38ca80bbaf5ffafd401d6c739fd45fDennis Munsie u32 stride_alignment; 10251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_mode_to_hw\n"); 10271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable VGA */ 10291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vgacntrl |= VGA_DISABLE; 10301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check whether pipe A or pipe B is enabled. */ 10321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (hw->pipe_a_conf & PIPECONF_ENABLE) 10331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe = PIPE_A; 10341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (hw->pipe_b_conf & PIPECONF_ENABLE) 10351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe = PIPE_B; 10361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set which pipe's registers will be set. */ 10381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (pipe == PIPE_B) { 10391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_b; 10401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpb0; 10411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpb1; 10421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_b; 10431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_b; 10441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_b; 10451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_b; 10461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_b; 10471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_b; 10481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_b; 10491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_b_conf; 10501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 10511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_a; 10521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpa0; 10531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpa1; 10541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_a; 10551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_a; 10561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_a; 10571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_a; 10581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_a; 10591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_a; 10601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_a; 10611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_a_conf; 10621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Use ADPA register for sync control. */ 10651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~ADPA_USE_VGA_HVPOLARITY; 10661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* sync polarity */ 10681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_pol = (var->sync & FB_SYNC_HOR_HIGH_ACT) ? 10691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADPA_SYNC_ACTIVE_HIGH : ADPA_SYNC_ACTIVE_LOW; 10701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_pol = (var->sync & FB_SYNC_VERT_HIGH_ACT) ? 10711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADPA_SYNC_ACTIVE_HIGH : ADPA_SYNC_ACTIVE_LOW; 10721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~((ADPA_SYNC_ACTIVE_MASK << ADPA_VSYNC_ACTIVE_SHIFT) | 10731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (ADPA_SYNC_ACTIVE_MASK << ADPA_HSYNC_ACTIVE_SHIFT)); 10741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= (hsync_pol << ADPA_HSYNC_ACTIVE_SHIFT) | 10751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (vsync_pol << ADPA_VSYNC_ACTIVE_SHIFT); 10761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Connect correct pipe to the analog port DAC */ 10781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~(PIPE_MASK << ADPA_PIPE_SELECT_SHIFT); 10791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= (pipe << ADPA_PIPE_SELECT_SHIFT); 10801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set DPMS state to D0 (on) */ 10821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~ADPA_DPMS_CONTROL_MASK; 10831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= ADPA_DPMS_D0; 10841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= ADPA_DAC_ENABLE; 10861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll |= (DPLL_VCO_ENABLE | DPLL_VGA_MODE_DISABLE); 10881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll &= ~(DPLL_RATE_SELECT_MASK | DPLL_REFERENCE_SELECT_MASK); 10891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll |= (DPLL_REFERENCE_DEFAULT | DPLL_RATE_SELECT_FP0); 10901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Desired clock in kHz */ 10921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_target = 1000000000 / var->pixclock; 10931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10943aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (calc_pll_params(dinfo->pll_index, clock_target, &m1, &m2, 10958b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie &n, &p1, &p2, &clock)) { 10961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("calc_pll_params failed\n"); 10971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check for overflow. */ 11011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(p1, DPLL_P1_MASK, "PLL P1 parameter")) 11021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(p2, DPLL_P2_MASK, "PLL P2 parameter")) 11041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(m1, FP_DIVISOR_MASK, "PLL M1 parameter")) 11061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(m2, FP_DIVISOR_MASK, "PLL M2 parameter")) 11081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(n, FP_DIVISOR_MASK, "PLL N parameter")) 11101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll &= ~DPLL_P1_FORCE_DIV2; 11131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll &= ~((DPLL_P2_MASK << DPLL_P2_SHIFT) | 11141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (DPLL_P1_MASK << DPLL_P1_SHIFT)); 11153aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 11163aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (IS_I9XX(dinfo)) { 11173aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie *dpll |= (p2 << DPLL_I9XX_P2_SHIFT); 11183aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie *dpll |= (1 << (p1 - 1)) << DPLL_P1_SHIFT; 1119689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa } else 11203aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie *dpll |= (p2 << DPLL_P2_SHIFT) | (p1 << DPLL_P1_SHIFT); 11213aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 11221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *fp0 = (n << FP_N_DIVISOR_SHIFT) | 11231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (m1 << FP_M1_DIVISOR_SHIFT) | 11241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (m2 << FP_M2_DIVISOR_SHIFT); 11251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *fp1 = *fp0; 11261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvob &= ~PORT_ENABLE; 11281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoc &= ~PORT_ENABLE; 11291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Use display plane A. */ 11311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_PLANE_ENABLE; 11321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl &= ~DISPPLANE_GAMMA_ENABLE; 11331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl &= ~DISPPLANE_PIXFORMAT_MASK; 11341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (intelfb_var_to_depth(var)) { 11351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 11361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_8BPP | DISPPLANE_GAMMA_ENABLE; 11371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 11381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 15: 11391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_15_16BPP; 11401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 11411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 11421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_16BPP; 11431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 11441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 24: 11451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_32BPP_NO_ALPHA; 11461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 11471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl &= ~(PIPE_MASK << DISPPLANE_SEL_PIPE_SHIFT); 11491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= (pipe << DISPPLANE_SEL_PIPE_SHIFT); 11501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set CRTC registers. */ 11521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hactive = var->xres; 11531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_start = hactive + var->right_margin; 11541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_end = hsync_start + var->hsync_len; 11551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal = hsync_end + var->left_margin; 11561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_start = hactive; 11571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_end = htotal; 11581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("H: act %d, ss %d, se %d, tot %d bs %d, be %d\n", 11601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hactive, hsync_start, hsync_end, htotal, hblank_start, 11611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_end); 11621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vactive = var->yres; 116428ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa if (var->vmode & FB_VMODE_INTERLACED) 116528ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa vactive--; /* the chip adds 2 halflines automatically */ 11661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_start = vactive + var->lower_margin; 11671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_end = vsync_start + var->vsync_len; 11681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal = vsync_end + var->upper_margin; 11691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_start = vactive; 11701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end = vtotal; 11711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end = vsync_end + 1; 11721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("V: act %d, ss %d, se %d, tot %d bs %d, be %d\n", 11741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vactive, vsync_start, vsync_end, vtotal, vblank_start, 11751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end); 11761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Adjust for register values, and check for overflow. */ 11781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hactive--; 11791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hactive, HACTIVE_MASK, "CRTC hactive")) 11801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_start--; 11821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hsync_start, HSYNCSTART_MASK, "CRTC hsync_start")) 11831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_end--; 11851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hsync_end, HSYNCEND_MASK, "CRTC hsync_end")) 11861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal--; 11881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(htotal, HTOTAL_MASK, "CRTC htotal")) 11891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_start--; 11911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hblank_start, HBLANKSTART_MASK, "CRTC hblank_start")) 11921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_end--; 11941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hblank_end, HBLANKEND_MASK, "CRTC hblank_end")) 11951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vactive--; 11981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vactive, VACTIVE_MASK, "CRTC vactive")) 11991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_start--; 12011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vsync_start, VSYNCSTART_MASK, "CRTC vsync_start")) 12021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_end--; 12041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vsync_end, VSYNCEND_MASK, "CRTC vsync_end")) 12051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal--; 12071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vtotal, VTOTAL_MASK, "CRTC vtotal")) 12081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_start--; 12101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vblank_start, VBLANKSTART_MASK, "CRTC vblank_start")) 12111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end--; 12131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vblank_end, VBLANKEND_MASK, "CRTC vblank_end")) 12141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *ht = (htotal << HTOTAL_SHIFT) | (hactive << HACTIVE_SHIFT); 12171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *hb = (hblank_start << HBLANKSTART_SHIFT) | 12181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (hblank_end << HSYNCEND_SHIFT); 12191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *hs = (hsync_start << HSYNCSTART_SHIFT) | (hsync_end << HSYNCEND_SHIFT); 12201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *vt = (vtotal << VTOTAL_SHIFT) | (vactive << VACTIVE_SHIFT); 12221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *vb = (vblank_start << VBLANKSTART_SHIFT) | 12231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (vblank_end << VSYNCEND_SHIFT); 12241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *vs = (vsync_start << VSYNCSTART_SHIFT) | (vsync_end << VSYNCEND_SHIFT); 12251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *ss = (hactive << SRC_SIZE_HORIZ_SHIFT) | 12261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (vactive << SRC_SIZE_VERT_SHIFT); 12271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12283587c50991b96fee2d26942f380e36e4f40fad71Dave Airlie hw->disp_a_stride = dinfo->pitch; 12291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("pitch is %d\n", hw->disp_a_stride); 12301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_base = hw->disp_a_stride * var->yoffset + 12321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds var->xoffset * var->bits_per_pixel / 8; 12331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_base += dinfo->fb.offset << 12; 12351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check stride alignment. */ 1237df7df8ab7b38ca80bbaf5ffafd401d6c739fd45fDennis Munsie stride_alignment = IS_I9XX(dinfo) ? STRIDE_ALIGNMENT_I9XX : 1238df7df8ab7b38ca80bbaf5ffafd401d6c739fd45fDennis Munsie STRIDE_ALIGNMENT; 1239df7df8ab7b38ca80bbaf5ffafd401d6c739fd45fDennis Munsie if (hw->disp_a_stride % stride_alignment != 0) { 12401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("display stride %d has bad alignment %d\n", 1241df7df8ab7b38ca80bbaf5ffafd401d6c739fd45fDennis Munsie hw->disp_a_stride, stride_alignment); 12421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 12441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set the palette to 8-bit mode. */ 12461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *pipe_conf &= ~PIPECONF_GAMMA; 124710b98368a0a94b015c1a596b7a02eff447a65226Krzysztof Halasa 124810b98368a0a94b015c1a596b7a02eff447a65226Krzysztof Halasa if (var->vmode & FB_VMODE_INTERLACED) 124910b98368a0a94b015c1a596b7a02eff447a65226Krzysztof Halasa *pipe_conf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; 125010b98368a0a94b015c1a596b7a02eff447a65226Krzysztof Halasa else 125110b98368a0a94b015c1a596b7a02eff447a65226Krzysztof Halasa *pipe_conf &= ~PIPECONF_INTERLACE_MASK; 125210b98368a0a94b015c1a596b7a02eff447a65226Krzysztof Halasa 12531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 12541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Program a (non-VGA) video mode. */ 1257689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_program_mode(struct intelfb_info *dinfo, 1258689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa const struct intelfb_hwstate *hw, int blank) 12591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 12601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int pipe = PIPE_A; 12611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 12621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const u32 *dpll, *fp0, *fp1, *pipe_conf; 12631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const u32 *hs, *ht, *hb, *vs, *vt, *vb, *ss; 1264394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa u32 dpll_reg, fp0_reg, fp1_reg, pipe_conf_reg, pipe_stat_reg; 12651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 hsync_reg, htotal_reg, hblank_reg; 12661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 vsync_reg, vtotal_reg, vblank_reg; 12671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 src_size_reg; 12687679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie u32 count, tmp_val[3]; 12691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Assume single pipe, display plane A, analog CRT. */ 12711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 12731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_program_mode\n"); 12741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 12751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable VGA */ 12771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(VGACNTRL); 12781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= VGA_DISABLE; 12791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(VGACNTRL, tmp); 12801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check whether pipe A or pipe B is enabled. */ 12821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (hw->pipe_a_conf & PIPECONF_ENABLE) 12831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe = PIPE_A; 12841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (hw->pipe_b_conf & PIPECONF_ENABLE) 12851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe = PIPE_B; 12861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->pipe = pipe; 12881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (pipe == PIPE_B) { 12901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_b; 12911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpb0; 12921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpb1; 12931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_b_conf; 12941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_b; 12951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_b; 12961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_b; 12971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_b; 12981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_b; 12991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_b; 13001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_b; 13011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll_reg = DPLL_B; 13021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0_reg = FPB0; 13031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1_reg = FPB1; 13041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf_reg = PIPEBCONF; 1305394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa pipe_stat_reg = PIPEBSTAT; 13061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_reg = HSYNC_B; 13071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal_reg = HTOTAL_B; 13081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_reg = HBLANK_B; 13091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_reg = VSYNC_B; 13101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal_reg = VTOTAL_B; 13111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_reg = VBLANK_B; 13121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds src_size_reg = SRC_SIZE_B; 13131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 13141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_a; 13151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpa0; 13161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpa1; 13171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_a_conf; 13181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_a; 13191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_a; 13201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_a; 13211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_a; 13221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_a; 13231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_a; 13241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_a; 13251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll_reg = DPLL_A; 13261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0_reg = FPA0; 13271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1_reg = FPA1; 13281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf_reg = PIPEACONF; 1329394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa pipe_stat_reg = PIPEASTAT; 13301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_reg = HSYNC_A; 13311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal_reg = HTOTAL_A; 13321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_reg = HBLANK_A; 13331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_reg = VSYNC_A; 13341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal_reg = VTOTAL_A; 13351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_reg = VBLANK_A; 13361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds src_size_reg = SRC_SIZE_A; 13371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 13381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13397679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie /* turn off pipe */ 13407679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie tmp = INREG(pipe_conf_reg); 13417679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie tmp &= ~PIPECONF_ENABLE; 13427679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(pipe_conf_reg, tmp); 13433aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 13447679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie count = 0; 13458b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie do { 1346ee5618f4937dcbff15e504663d81a7adb3d849bfKrzysztof Halasa tmp_val[count % 3] = INREG(PIPEA_DSL); 1347ee5618f4937dcbff15e504663d81a7adb3d849bfKrzysztof Halasa if ((tmp_val[0] == tmp_val[1]) && (tmp_val[1] == tmp_val[2])) 13483aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie break; 13493aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie count++; 13503aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie udelay(1); 13513aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (count % 200 == 0) { 13523aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie tmp = INREG(pipe_conf_reg); 13533aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie tmp &= ~PIPECONF_ENABLE; 13543aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie OUTREG(pipe_conf_reg, tmp); 13553aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie } 1356689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa } while (count < 2000); 13577679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie 13587679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(ADPA, INREG(ADPA) & ~ADPA_DAC_ENABLE); 13597679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie 13601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable planes A and B. */ 13611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 13621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~DISPPLANE_PLANE_ENABLE; 13631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 13641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPBCNTR); 13651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~DISPPLANE_PLANE_ENABLE; 13661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPBCNTR, tmp); 13671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13683aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie /* Wait for vblank. For now, just wait for a 50Hz cycle (20ms)) */ 13691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(20); 13701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1371f728377f6786bcdf1dbf33394360164e86f40094Dave Airlie OUTREG(DVOB, INREG(DVOB) & ~PORT_ENABLE); 1372f728377f6786bcdf1dbf33394360164e86f40094Dave Airlie OUTREG(DVOC, INREG(DVOC) & ~PORT_ENABLE); 1373f728377f6786bcdf1dbf33394360164e86f40094Dave Airlie OUTREG(ADPA, INREG(ADPA) & ~ADPA_DAC_ENABLE); 1374f728377f6786bcdf1dbf33394360164e86f40094Dave Airlie 13751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable Sync */ 13761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(ADPA); 13771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~ADPA_DPMS_CONTROL_MASK; 13781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D3; 13791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, tmp); 13801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13817679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie /* do some funky magic - xyzzy */ 13827679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(0x61204, 0xabcd0000); 13831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* turn off PLL */ 13851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(dpll_reg); 13868c8bd037e5bd7bbc3c82b74cbed4da1ddc3fe8deAntonino A. Daplas tmp &= ~DPLL_VCO_ENABLE; 13871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(dpll_reg, tmp); 13881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set PLL parameters */ 13901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(fp0_reg, *fp0); 13911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(fp1_reg, *fp1); 13921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13937679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie /* Enable PLL */ 1394f728377f6786bcdf1dbf33394360164e86f40094Dave Airlie OUTREG(dpll_reg, *dpll); 13951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set DVOs B/C */ 13971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DVOB, hw->dvob); 13981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DVOC, hw->dvoc); 13991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14007679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie /* undo funky magic */ 14017679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(0x61204, 0x00000000); 14027679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie 14031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set ADPA */ 14047679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(ADPA, INREG(ADPA) | ADPA_DAC_ENABLE); 14051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, (hw->adpa & ~(ADPA_DPMS_CONTROL_MASK)) | ADPA_DPMS_D3); 14061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14077679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie /* Set pipe parameters */ 14087679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(hsync_reg, *hs); 14097679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(hblank_reg, *hb); 14107679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(htotal_reg, *ht); 14117679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(vsync_reg, *vs); 14127679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(vblank_reg, *vb); 14137679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(vtotal_reg, *vt); 14147679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(src_size_reg, *ss); 14151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1416394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa switch (dinfo->info->var.vmode & (FB_VMODE_INTERLACED | 1417394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa FB_VMODE_ODD_FLD_FIRST)) { 1418394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa case FB_VMODE_INTERLACED | FB_VMODE_ODD_FLD_FIRST: 1419394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG(pipe_stat_reg, 0xFFFF | PIPESTAT_FLD_EVT_ODD_EN); 1420394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa break; 1421394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa case FB_VMODE_INTERLACED: /* even lines first */ 1422394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG(pipe_stat_reg, 0xFFFF | PIPESTAT_FLD_EVT_EVEN_EN); 1423394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa break; 1424394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa default: /* non-interlaced */ 1425394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG(pipe_stat_reg, 0xFFFF); /* clear all status bits only */ 1426394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa } 14271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Enable pipe */ 14281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(pipe_conf_reg, *pipe_conf | PIPECONF_ENABLE); 14291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Enable sync */ 14311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(ADPA); 14321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~ADPA_DPMS_CONTROL_MASK; 14331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D0; 14341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, tmp); 14351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* setup display plane */ 14371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->pdev->device == PCI_DEVICE_ID_INTEL_830M) { 14381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 14391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * i830M errata: the display plane must be enabled 14401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to allow writes to the other bits in the plane 14411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * control register. 14421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 14431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 14441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((tmp & DISPPLANE_PLANE_ENABLE) != DISPPLANE_PLANE_ENABLE) { 14451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= DISPPLANE_PLANE_ENABLE; 14461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 14471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, 14481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl|DISPPLANE_PLANE_ENABLE); 14491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(1); 14503aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie } 14511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, hw->disp_a_ctrl & ~DISPPLANE_PLANE_ENABLE); 14541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPASTRIDE, hw->disp_a_stride); 14551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPABASE, hw->disp_a_base); 14561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Enable plane */ 14581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!blank) { 14591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 14601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= DISPPLANE_PLANE_ENABLE; 14611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 14621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPABASE, hw->disp_a_base); 14631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 14661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 14671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* forward declarations */ 14691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void refresh_ring(struct intelfb_info *dinfo); 14701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void reset_state(struct intelfb_info *dinfo); 14711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void do_flush(struct intelfb_info *dinfo); 14721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 147371c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergenstatic u32 get_ring_space(struct intelfb_info *dinfo) 147471c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen{ 147571c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen u32 ring_space; 147671c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen 147771c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen if (dinfo->ring_tail >= dinfo->ring_head) 147871c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen ring_space = dinfo->ring.size - 147971c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen (dinfo->ring_tail - dinfo->ring_head); 148071c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen else 148171c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen ring_space = dinfo->ring_head - dinfo->ring_tail; 148271c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen 148371c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen if (ring_space > RING_MIN_FREE) 148471c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen ring_space -= RING_MIN_FREE; 148571c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen else 148671c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen ring_space = 0; 148771c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen 148871c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen return ring_space; 148971c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen} 149071c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen 1491689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic int wait_ring(struct intelfb_info *dinfo, int n) 14921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 14931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i = 0; 14941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long end; 14951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 last_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK; 14961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 14981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("wait_ring: %d\n", n); 14991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds end = jiffies + (HZ * 3); 15021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (dinfo->ring_space < n) { 15030fe6e2d2928e089d16ec5ed7ba634c1d60916020Al Viro dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK; 150471c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen dinfo->ring_space = get_ring_space(dinfo); 150571c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen 15060fe6e2d2928e089d16ec5ed7ba634c1d60916020Al Viro if (dinfo->ring_head != last_head) { 15071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds end = jiffies + (HZ * 3); 15080fe6e2d2928e089d16ec5ed7ba634c1d60916020Al Viro last_head = dinfo->ring_head; 15091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i++; 15111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (time_before(end, jiffies)) { 15121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!i) { 15131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Try again */ 15141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reset_state(dinfo); 15151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds refresh_ring(dinfo); 15161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do_flush(dinfo); 15171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds end = jiffies + (HZ * 3); 15181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = 1; 15191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 15201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("ring buffer : space: %d wanted %d\n", 15211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_space, n); 15221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("lockup - turning off hardware " 15231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "acceleration\n"); 15241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_lockup = 1; 15251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 15261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(1); 15291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return i; 15311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1533689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic void do_flush(struct intelfb_info *dinfo) 1534689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa{ 15351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(2); 15361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_FLUSH | MI_WRITE_DIRTY_STATE | MI_INVALIDATE_MAP_CACHE); 15371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_NOOP); 15381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 15391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1541689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_do_sync(struct intelfb_info *dinfo) 15421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 15441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_sync\n"); 15451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->accel) 15481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 15491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 15511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Send a flush, then wait until the ring is empty. This is what 15521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the XFree86 driver does, and actually it doesn't seem a lot worse 15531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * than the recommended method (both have problems). 15541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 15551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do_flush(dinfo); 15561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_ring(dinfo, dinfo->ring.size - RING_MIN_FREE); 15571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_space = dinfo->ring.size - RING_MIN_FREE; 15581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1560689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic void refresh_ring(struct intelfb_info *dinfo) 15611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 15631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("refresh_ring\n"); 15641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15660fe6e2d2928e089d16ec5ed7ba634c1d60916020Al Viro dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK; 15671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_tail = INREG(PRI_RING_TAIL) & RING_TAIL_MASK; 156871c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen dinfo->ring_space = get_ring_space(dinfo); 15691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1571689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic void reset_state(struct intelfb_info *dinfo) 15721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 15741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 15751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 15771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("reset_state\n"); 15781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < FENCE_NUM; i++) 15811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(FENCE + (i << 2), 0); 15821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush the ring buffer if it's enabled. */ 15841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(PRI_RING_LENGTH); 15851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp & RING_ENABLE) { 15861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 15871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("reset_state: ring was enabled\n"); 15881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds refresh_ring(dinfo); 15901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds intelfbhw_do_sync(dinfo); 15911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DO_RING_IDLE(); 15921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_LENGTH, 0); 15951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_HEAD, 0); 15961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_TAIL, 0); 15971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_START, 0); 15981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Stop the 2D engine, and turn off the ring buffer. */ 1601689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_2d_stop(struct intelfb_info *dinfo) 16021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 1604689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa DBG_MSG("intelfbhw_2d_stop: accel: %d, ring_active: %d\n", 1605689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa dinfo->accel, dinfo->ring_active); 16061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 16071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->accel) 16091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 16101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_active = 0; 16121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reset_state(dinfo); 16131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 16161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Enable the ring buffer, and initialise the 2D engine. 16171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * It is assumed that the graphics engine has been stopped by previously 16181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * calling intelfb_2d_stop(). 16191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1620689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_2d_start(struct intelfb_info *dinfo) 16211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 16231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_2d_start: accel: %d, ring_active: %d\n", 16241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->accel, dinfo->ring_active); 16251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 16261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->accel) 16281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 16291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Initialise the primary ring buffer. */ 16311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_LENGTH, 0); 16321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_TAIL, 0); 16331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_HEAD, 0); 16341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_START, dinfo->ring.physical & RING_START_MASK); 16361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_LENGTH, 16371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((dinfo->ring.size - GTT_PAGE_SIZE) & RING_LENGTH_MASK) | 16381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RING_NO_REPORT | RING_ENABLE); 16391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds refresh_ring(dinfo); 16401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_active = 1; 16411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2D fillrect (solid fill or invert) */ 1644689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_do_fillrect(struct intelfb_info *dinfo, u32 x, u32 y, u32 w, 1645689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa u32 h, u32 color, u32 pitch, u32 bpp, u32 rop) 16461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 br00, br09, br13, br14, br16; 16481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 16501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_fillrect: (%d,%d) %dx%d, c 0x%06x, p %d bpp %d, " 16511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "rop 0x%02x\n", x, y, w, h, color, pitch, bpp, rop); 16521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 16531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 = COLOR_BLT_CMD; 16551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br09 = dinfo->fb_start + (y * pitch + x * (bpp / 8)); 16561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 = (rop << ROP_SHIFT) | pitch; 16571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br14 = (h << HEIGHT_SHIFT) | ((w * (bpp / 8)) << WIDTH_SHIFT); 16581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br16 = color; 16591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (bpp) { 16611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 16621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_8; 16631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 16641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 16651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_16; 16661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 16671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 32: 16681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_32; 16691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 |= WRITE_ALPHA | WRITE_RGB; 16701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 16711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(6); 16741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br00); 16751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br13); 16761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br14); 16771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br09); 16781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br16); 16791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_NOOP); 16801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 16811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 16831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("ring = 0x%08x, 0x%08x (%d)\n", dinfo->ring_head, 16841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_tail, dinfo->ring_space); 16851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 16861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 16891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_do_bitblt(struct intelfb_info *dinfo, u32 curx, u32 cury, 16901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 dstx, u32 dsty, u32 w, u32 h, u32 pitch, u32 bpp) 16911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 br00, br09, br11, br12, br13, br22, br23, br26; 16931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 16951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_bitblt: (%d,%d)->(%d,%d) %dx%d, p %d bpp %d\n", 16961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds curx, cury, dstx, dsty, w, h, pitch, bpp); 16971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 16981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 = XY_SRC_COPY_BLT_CMD; 17001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br09 = dinfo->fb_start; 17011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br11 = (pitch << PITCH_SHIFT); 17021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br12 = dinfo->fb_start; 17031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 = (SRC_ROP_GXCOPY << ROP_SHIFT) | (pitch << PITCH_SHIFT); 17041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br22 = (dstx << WIDTH_SHIFT) | (dsty << HEIGHT_SHIFT); 17051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br23 = ((dstx + w) << WIDTH_SHIFT) | 17061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((dsty + h) << HEIGHT_SHIFT); 17071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br26 = (curx << WIDTH_SHIFT) | (cury << HEIGHT_SHIFT); 17081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (bpp) { 17101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 17111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_8; 17121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 17131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 17141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_16; 17151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 17161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 32: 17171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_32; 17181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 |= WRITE_ALPHA | WRITE_RGB; 17191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 17201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(8); 17231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br00); 17241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br13); 17251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br22); 17261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br23); 17271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br09); 17281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br26); 17291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br11); 17301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br12); 17311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 17321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 17331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1734689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_do_drawglyph(struct intelfb_info *dinfo, u32 fg, u32 bg, u32 w, 1735689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa u32 h, const u8* cdat, u32 x, u32 y, u32 pitch, 1736689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa u32 bpp) 17371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 17381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int nbytes, ndwords, pad, tmp; 17391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 br00, br09, br13, br18, br19, br22, br23; 17401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int dat, ix, iy, iw; 17411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j; 17421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 17441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_drawglyph: (%d,%d) %dx%d\n", x, y, w, h); 17451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 17461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* size in bytes of a padded scanline */ 17481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds nbytes = ROUND_UP_TO(w, 16) / 8; 17491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Total bytes of padded scanline data to write out. */ 17511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds nbytes = nbytes * h; 17521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 17541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Check if the glyph data exceeds the immediate mode limit. 17551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * It would take a large font (1K pixels) to hit this limit. 17561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 17571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (nbytes > MAX_MONO_IMM_SIZE) 17581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 17591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Src data is packaged a dword (32-bit) at a time. */ 17611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ndwords = ROUND_UP_TO(nbytes, 4) / 4; 17621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 17641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Ring has to be padded to a quad word. But because the command starts 17651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds with 7 bytes, pad only if there is an even number of ndwords 17661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 17671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pad = !(ndwords % 2); 17681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = (XY_MONO_SRC_IMM_BLT_CMD & DW_LENGTH_MASK) + ndwords; 17701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 = (XY_MONO_SRC_IMM_BLT_CMD & ~DW_LENGTH_MASK) | tmp; 17711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br09 = dinfo->fb_start; 17721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 = (SRC_ROP_GXCOPY << ROP_SHIFT) | (pitch << PITCH_SHIFT); 17731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br18 = bg; 17741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br19 = fg; 17751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br22 = (x << WIDTH_SHIFT) | (y << HEIGHT_SHIFT); 17761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br23 = ((x + w) << WIDTH_SHIFT) | ((y + h) << HEIGHT_SHIFT); 17771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (bpp) { 17791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 17801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_8; 17811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 17821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 17831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_16; 17841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 17851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 32: 17861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_32; 17871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 |= WRITE_ALPHA | WRITE_RGB; 17881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 17891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(8 + ndwords); 17921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br00); 17931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br13); 17941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br22); 17951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br23); 17961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br09); 17971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br18); 17981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br19); 17991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ix = iy = 0; 18001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iw = ROUND_UP_TO(w, 8) / 8; 18011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (ndwords--) { 18021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dat = 0; 18031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < 2; ++j) { 18041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; ++i) { 18051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ix != iw || i == 0) 18061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dat |= cdat[iy*iw + ix++] << (i+j*2)*8; 18071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ix == iw && iy != (h-1)) { 18091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ix = 0; 18101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ++iy; 18111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(dat); 18141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (pad) 18161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_NOOP); 18171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 18181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 18201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 18211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* HW cursor functions. */ 1823689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_cursor_init(struct intelfb_info *dinfo) 18241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 18261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 18281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_init\n"); 18291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 18301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18313aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (dinfo->mobile || IS_I9XX(dinfo)) { 18321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.physical) 18331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 18341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_A_CONTROL); 18351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~(CURSOR_MODE_MASK | CURSOR_MOBILE_GAMMA_ENABLE | 18361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CURSOR_MEM_TYPE_LOCAL | 18371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (1 << CURSOR_PIPE_SELECT_SHIFT)); 18381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_MODE_DISABLE; 18391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_CONTROL, tmp); 18401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); 18411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 18421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_CONTROL); 18431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~(CURSOR_FORMAT_MASK | CURSOR_GAMMA_ENABLE | 18441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CURSOR_ENABLE | CURSOR_STRIDE_MASK); 18451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = CURSOR_FORMAT_3C; 18461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_CONTROL, tmp); 18471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.offset << 12); 18481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = (64 << CURSOR_SIZE_H_SHIFT) | 18491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (64 << CURSOR_SIZE_V_SHIFT); 18501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_SIZE, tmp); 18511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 18531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1854689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_cursor_hide(struct intelfb_info *dinfo) 18551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 18571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 18591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_hide\n"); 18601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 18611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_on = 0; 18633aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (dinfo->mobile || IS_I9XX(dinfo)) { 18641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.physical) 18651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 18661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_A_CONTROL); 18671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~CURSOR_MODE_MASK; 18681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_MODE_DISABLE; 18691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_CONTROL, tmp); 18701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush changes */ 18711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); 18721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 18731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_CONTROL); 18741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~CURSOR_ENABLE; 18751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_CONTROL, tmp); 18761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 18781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1879689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_cursor_show(struct intelfb_info *dinfo) 18801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 18821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 18841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_show\n"); 18851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 18861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_on = 1; 18881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->cursor_blanked) 18901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 18911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18923aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (dinfo->mobile || IS_I9XX(dinfo)) { 18931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.physical) 18941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 18951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_A_CONTROL); 18961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~CURSOR_MODE_MASK; 18971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_MODE_64_4C_AX; 18981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_CONTROL, tmp); 18991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush changes */ 19001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); 19011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 19021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_CONTROL); 19031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_ENABLE; 19041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_CONTROL, tmp); 19051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1908689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_cursor_setpos(struct intelfb_info *dinfo, int x, int y) 19091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 19101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 19111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 19131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_setpos: (%d, %d)\n", x, y); 19141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 19151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 19173aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie * Sets the position. The coordinates are assumed to already 19183aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie * have any offset adjusted. Assume that the cursor is never 19191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * completely off-screen, and that x, y are always >= 0. 19201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 19211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT) | 19231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT); 19241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_POSITION, tmp); 19258bb91f6a2d1db8031bfbb367df075f041d0cdfe2Dave Airlie 1926689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa if (IS_I9XX(dinfo)) 19278bb91f6a2d1db8031bfbb367df075f041d0cdfe2Dave Airlie OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); 19281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1930689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_cursor_setcolor(struct intelfb_info *dinfo, u32 bg, u32 fg) 19311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 19321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 19331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_setcolor\n"); 19341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 19351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE0, bg & CURSOR_PALETTE_MASK); 19371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE1, fg & CURSOR_PALETTE_MASK); 19381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE2, fg & CURSOR_PALETTE_MASK); 19391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE3, bg & CURSOR_PALETTE_MASK); 19401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1942689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_cursor_load(struct intelfb_info *dinfo, int width, int height, 1943689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa u8 *data) 19441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 19451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 __iomem *addr = (u8 __iomem *)dinfo->cursor.virtual; 19461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j, w = width / 8; 19471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int mod = width % 8, t_mask, d_mask; 19481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 19501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_load\n"); 19511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 19521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.virtual) 19541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 19551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t_mask = 0xff >> mod; 19571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds d_mask = ~(0xff >> mod); 19581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = height; i--; ) { 19591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < w; j++) { 19601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0x00, addr + j); 19611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(*(data++), addr + j+8); 19621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (mod) { 19641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(t_mask, addr + j); 19651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(*(data++) & d_mask, addr + j+8); 19661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr += 16; 19681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1971689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_cursor_reset(struct intelfb_info *dinfo) 1972689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa{ 19731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 __iomem *addr = (u8 __iomem *)dinfo->cursor.virtual; 19741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j; 19751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 19771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_reset\n"); 19781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 19791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.virtual) 19811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 19821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 64; i--; ) { 19841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < 8; j++) { 19851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0xff, addr + j+0); 19861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0x00, addr + j+8); 19871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr += 16; 19891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19917649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 1992394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasastatic irqreturn_t intelfbhw_irq(int irq, void *dev_id) 1993394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa{ 19947649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt u16 tmp; 199515aafa2f9d8399b22e418c53a87dfc0c43f4030fJeff Garzik struct intelfb_info *dinfo = dev_id; 19967649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 19977649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_lock(&dinfo->int_lock); 19987649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 19997649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt tmp = INREG16(IIR); 2000394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa if (dinfo->info->var.vmode & FB_VMODE_INTERLACED) 2001394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa tmp &= PIPE_A_EVENT_INTERRUPT; 2002394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa else 2003394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa tmp &= VSYNC_PIPE_A_INTERRUPT; /* non-interlaced */ 20047649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 20057649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt if (tmp == 0) { 20067649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_unlock(&dinfo->int_lock); 2007394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa return IRQ_RETVAL(0); /* not us */ 20087649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 20097649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 2010394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa /* clear status bits 0-15 ASAP and don't touch bits 16-31 */ 2011394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG(PIPEASTAT, INREG(PIPEASTAT)); 20127649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 2013394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG16(IIR, tmp); 2014394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa if (dinfo->vsync.pan_display) { 2015394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa dinfo->vsync.pan_display = 0; 2016394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG(DSPABASE, dinfo->vsync.pan_offset); 20177649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 20187649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 2019394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa dinfo->vsync.count++; 2020394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa wake_up_interruptible(&dinfo->vsync.wait); 2021394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa 20227649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_unlock(&dinfo->int_lock); 20237649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 2024394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa return IRQ_RETVAL(1); 20257649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt} 20267649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 2027394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasaint intelfbhw_enable_irq(struct intelfb_info *dinfo) 2028394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa{ 2029394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa u16 tmp; 20307649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt if (!test_and_set_bit(0, &dinfo->irq_flags)) { 203138515e908ba3a9c467ad3bf347b9bce69216df94Thomas Gleixner if (request_irq(dinfo->pdev->irq, intelfbhw_irq, IRQF_SHARED, 2032394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa "intelfb", dinfo)) { 20337649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt clear_bit(0, &dinfo->irq_flags); 20347649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt return -EINVAL; 20357649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 20367649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 20377649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_lock_irq(&dinfo->int_lock); 2038394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG16(HWSTAM, 0xfffe); /* i830 DRM uses ffff */ 2039394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG16(IMR, 0); 2040394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa } else 20417649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_lock_irq(&dinfo->int_lock); 2042394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa 2043394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa if (dinfo->info->var.vmode & FB_VMODE_INTERLACED) 2044394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa tmp = PIPE_A_EVENT_INTERRUPT; 2045394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa else 2046394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa tmp = VSYNC_PIPE_A_INTERRUPT; /* non-interlaced */ 2047394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa if (tmp != INREG16(IER)) { 2048394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa DBG_MSG("changing IER to 0x%X\n", tmp); 2049394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG16(IER, tmp); 20507649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 2051394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa 2052394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa spin_unlock_irq(&dinfo->int_lock); 20537649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt return 0; 20547649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt} 20557649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 2056394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasavoid intelfbhw_disable_irq(struct intelfb_info *dinfo) 2057394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa{ 20587649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt if (test_and_clear_bit(0, &dinfo->irq_flags)) { 2059f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt if (dinfo->vsync.pan_display) { 2060f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt dinfo->vsync.pan_display = 0; 2061f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt OUTREG(DSPABASE, dinfo->vsync.pan_offset); 2062f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt } 20637649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_lock_irq(&dinfo->int_lock); 20647649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt OUTREG16(HWSTAM, 0xffff); 20657649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt OUTREG16(IMR, 0xffff); 20667649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt OUTREG16(IER, 0x0); 20677649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 2068ee5618f4937dcbff15e504663d81a7adb3d849bfKrzysztof Halasa OUTREG16(IIR, INREG16(IIR)); /* clear IRQ requests */ 20697649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_unlock_irq(&dinfo->int_lock); 20707649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 20717649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt free_irq(dinfo->pdev->irq, dinfo); 20727649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 20737649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt} 207437bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt 2075689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_wait_for_vsync(struct intelfb_info *dinfo, u32 pipe) 2076689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa{ 207737bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt struct intelfb_vsync *vsync; 207837bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt unsigned int count; 207937bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt int ret; 208037bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt 208137bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt switch (pipe) { 208237bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt case 0: 208337bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt vsync = &dinfo->vsync; 208437bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt break; 208537bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt default: 208637bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt return -ENODEV; 208737bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt } 208837bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt 2089394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa ret = intelfbhw_enable_irq(dinfo); 2090689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa if (ret) 209137bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt return ret; 209237bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt 209337bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt count = vsync->count; 2094689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa ret = wait_event_interruptible_timeout(vsync->wait, 2095689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa count != vsync->count, HZ / 10); 2096689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa if (ret < 0) 209737bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt return ret; 209837bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt if (ret == 0) { 209937bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt DBG_MSG("wait_for_vsync timed out!\n"); 210037bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt return -ETIMEDOUT; 210137bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt } 210237bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt 210337bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt return 0; 210437bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt} 2105