intelfbhw.c revision f5b9cc6a66feee205609ef98b1f5a51168c26b74
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/delay.h> 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/fb.h> 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioport.h> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pci.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/vmalloc.h> 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pagemap.h> 347649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt#include <linux/interrupt.h> 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "intelfb.h" 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "intelfbhw.h" 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 417258b11d2e9a47d2b01620622579f22906960e1aDave Airliestruct pll_min_max { 4251d797474f87b375819d084f7583a2864c5656c4Dave Airlie int min_m, max_m, min_m1, max_m1; 4351d797474f87b375819d084f7583a2864c5656c4Dave Airlie int min_m2, max_m2, min_n, max_n; 4451d797474f87b375819d084f7583a2864c5656c4Dave Airlie int min_p, max_p, min_p1, max_p1; 4551d797474f87b375819d084f7583a2864c5656c4Dave Airlie int min_vco, max_vco, p_transition_clk, ref_clk; 4616109b3f4c1f2635afd32eb6d49348590de2cb25Dave Airlie int p_inc_lo, p_inc_hi; 477258b11d2e9a47d2b01620622579f22906960e1aDave Airlie}; 487258b11d2e9a47d2b01620622579f22906960e1aDave Airlie 497258b11d2e9a47d2b01620622579f22906960e1aDave Airlie#define PLLS_I8xx 0 507258b11d2e9a47d2b01620622579f22906960e1aDave Airlie#define PLLS_I9xx 1 517258b11d2e9a47d2b01620622579f22906960e1aDave Airlie#define PLLS_MAX 2 527258b11d2e9a47d2b01620622579f22906960e1aDave Airlie 5346f60b8e67e6fceede851dc69cdee2d7c0de27b9Dave Airliestatic struct pll_min_max plls[PLLS_MAX] = { 5451d797474f87b375819d084f7583a2864c5656c4Dave Airlie { 108, 140, 18, 26, 5551d797474f87b375819d084f7583a2864c5656c4Dave Airlie 6, 16, 3, 16, 5651d797474f87b375819d084f7583a2864c5656c4Dave Airlie 4, 128, 0, 31, 5751d797474f87b375819d084f7583a2864c5656c4Dave Airlie 930000, 1400000, 165000, 48000, 58689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa 4, 2 }, /* I8xx */ 5951d797474f87b375819d084f7583a2864c5656c4Dave Airlie 6051d797474f87b375819d084f7583a2864c5656c4Dave Airlie { 75, 120, 10, 20, 6151d797474f87b375819d084f7583a2864c5656c4Dave Airlie 5, 9, 4, 7, 6251d797474f87b375819d084f7583a2864c5656c4Dave Airlie 5, 80, 1, 8, 6351d797474f87b375819d084f7583a2864c5656c4Dave Airlie 1400000, 2800000, 200000, 96000, 64689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa 10, 5 } /* I9xx */ 657258b11d2e9a47d2b01620622579f22906960e1aDave Airlie}; 667258b11d2e9a47d2b01620622579f22906960e1aDave Airlie 67689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_get_chipset(struct pci_dev *pdev, struct intelfb_info *dinfo) 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 70d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie if (!pdev || !dinfo) 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (pdev->device) { 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_830M: 75d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 830M"; 76d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_830M; 77d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 1; 78d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I8xx; 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_845G: 81d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 845G"; 82d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_845G; 83d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 0; 84d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I8xx; 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 86347486bb108fa6e0fd2753c1be3519d6be2516edStefan Husemann case PCI_DEVICE_ID_INTEL_854: 87347486bb108fa6e0fd2753c1be3519d6be2516edStefan Husemann dinfo->mobile = 1; 88347486bb108fa6e0fd2753c1be3519d6be2516edStefan Husemann dinfo->name = "Intel(R) 854"; 89347486bb108fa6e0fd2753c1be3519d6be2516edStefan Husemann dinfo->chipset = INTEL_854; 90347486bb108fa6e0fd2753c1be3519d6be2516edStefan Husemann return 0; 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_85XGM: 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = 0; 93d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 1; 94d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I8xx; 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_read_config_dword(pdev, INTEL_85X_CAPID, &tmp); 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch ((tmp >> INTEL_85X_VARIANT_SHIFT) & 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds INTEL_85X_VARIANT_MASK) { 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_855GME: 99d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 855GME"; 100d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_855GME; 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_855GM: 103d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 855GM"; 104d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_855GM; 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_852GME: 107d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 852GME"; 108d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_852GME; 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_852GM: 111d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 852GM"; 112d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_852GM; 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 115d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 852GM/855GM"; 116d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_85XGM; 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_865G: 121d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 865G"; 122d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_865G; 123d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 0; 124d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I8xx; 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_915G: 127d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 915G"; 128d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_915G; 129d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 0; 130d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I9xx; 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1323a59026ba111d85b1a86af0f1c4e5a8ef1242d82Scott MacKenzie case PCI_DEVICE_ID_INTEL_915GM: 133d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 915GM"; 134d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_915GM; 135d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 1; 136d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I9xx; 1373a59026ba111d85b1a86af0f1c4e5a8ef1242d82Scott MacKenzie return 0; 1389639d5ec07a490134f05ac890506a367aaf8663bDave Airlie case PCI_DEVICE_ID_INTEL_945G: 1399639d5ec07a490134f05ac890506a367aaf8663bDave Airlie dinfo->name = "Intel(R) 945G"; 1409639d5ec07a490134f05ac890506a367aaf8663bDave Airlie dinfo->chipset = INTEL_945G; 1419639d5ec07a490134f05ac890506a367aaf8663bDave Airlie dinfo->mobile = 0; 1429639d5ec07a490134f05ac890506a367aaf8663bDave Airlie dinfo->pll_index = PLLS_I9xx; 1439639d5ec07a490134f05ac890506a367aaf8663bDave Airlie return 0; 1449a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie case PCI_DEVICE_ID_INTEL_945GM: 1459a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie dinfo->name = "Intel(R) 945GM"; 1469a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie dinfo->chipset = INTEL_945GM; 1479a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie dinfo->mobile = 1; 1489a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie dinfo->pll_index = PLLS_I9xx; 1499a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie return 0; 1503f7a26b4b9768fe31597d1af35106aa512dc3742Phil Endecott case PCI_DEVICE_ID_INTEL_945GME: 1513f7a26b4b9768fe31597d1af35106aa512dc3742Phil Endecott dinfo->name = "Intel(R) 945GME"; 1523f7a26b4b9768fe31597d1af35106aa512dc3742Phil Endecott dinfo->chipset = INTEL_945GME; 1533f7a26b4b9768fe31597d1af35106aa512dc3742Phil Endecott dinfo->mobile = 1; 1543f7a26b4b9768fe31597d1af35106aa512dc3742Phil Endecott dinfo->pll_index = PLLS_I9xx; 1553f7a26b4b9768fe31597d1af35106aa512dc3742Phil Endecott return 0; 1560e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme case PCI_DEVICE_ID_INTEL_965G: 1570e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->name = "Intel(R) 965G"; 1580e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->chipset = INTEL_965G; 1590e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->mobile = 0; 1600e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->pll_index = PLLS_I9xx; 1610e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme return 0; 1620e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme case PCI_DEVICE_ID_INTEL_965GM: 1630e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->name = "Intel(R) 965GM"; 1640e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->chipset = INTEL_965GM; 1650e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->mobile = 1; 1660e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme dinfo->pll_index = PLLS_I9xx; 1670e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme return 0; 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 173689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_get_memory(struct pci_dev *pdev, int *aperture_size, 174689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa int *stolen_size) 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pci_dev *bridge_dev; 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 tmp; 1781aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt int stolen_overhead; 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!pdev || !aperture_size || !stolen_size) 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Find the bridge device. It is always 0:0.0 */ 184a77b8950019289611f836c8fc19f91592822efcdAlan Cox if (!(bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0)))) { 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("cannot find bridge device\n"); 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Get the fb aperture size and "stolen" memory amount. */ 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = 0; 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_read_config_word(bridge_dev, INTEL_GMCH_CTRL, &tmp); 192a77b8950019289611f836c8fc19f91592822efcdAlan Cox pci_dev_put(bridge_dev); 193a77b8950019289611f836c8fc19f91592822efcdAlan Cox 1941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (pdev->device) { 1951aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_915G: 1961aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_915GM: 1971aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_945G: 1981aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_945GM: 1993f7a26b4b9768fe31597d1af35106aa512dc3742Phil Endecott case PCI_DEVICE_ID_INTEL_945GME: 2000e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme case PCI_DEVICE_ID_INTEL_965G: 2010e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme case PCI_DEVICE_ID_INTEL_965GM: 2020e170c72c0c55bd78213a0f5053bd9a1dde403b7Maik Broemme /* 915, 945 and 965 chipsets support a 256MB aperture. 2031aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt Aperture size is determined by inspected the 2041aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt base address of the aperture. */ 2051aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt if (pci_resource_start(pdev, 2) & 0x08000000) 2061aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *aperture_size = MB(128); 2071aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt else 2081aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *aperture_size = MB(256); 2091aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt break; 2101aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt default: 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((tmp & INTEL_GMCH_MEM_MASK) == INTEL_GMCH_MEM_64M) 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *aperture_size = MB(64); 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *aperture_size = MB(128); 2151aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt break; 2161aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt } 2171aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt 2181aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt /* Stolen memory size is reduced by the GTT and the popup. 2191aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt GTT is 1K per MB of aperture size, and popup is 4K. */ 2201aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt stolen_overhead = (*aperture_size / MB(1)) + 4; 2211aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt switch(pdev->device) { 2221aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_830M: 2231aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_845G: 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (tmp & INTEL_830_GMCH_GMS_MASK) { 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_STOLEN_512: 2261aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = KB(512) - KB(stolen_overhead); 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_STOLEN_1024: 2291aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(1) - KB(stolen_overhead); 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_STOLEN_8192: 2321aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(8) - KB(stolen_overhead); 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_LOCAL: 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("only local memory found\n"); 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_DISABLED: 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("video memory is disabled\n"); 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("unexpected GMCH_GMS value: 0x%02x\n", 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp & INTEL_830_GMCH_GMS_MASK); 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (tmp & INTEL_855_GMCH_GMS_MASK) { 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_1M: 2491aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(1) - KB(stolen_overhead); 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_4M: 2521aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(4) - KB(stolen_overhead); 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_8M: 2551aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(8) - KB(stolen_overhead); 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_16M: 2581aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(16) - KB(stolen_overhead); 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_32M: 2611aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(32) - KB(stolen_overhead); 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_915G_GMCH_GMS_STOLEN_48M: 2641aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(48) - KB(stolen_overhead); 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_915G_GMCH_GMS_STOLEN_64M: 2671aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(64) - KB(stolen_overhead); 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_DISABLED: 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("video memory is disabled\n"); 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("unexpected GMCH_GMS value: 0x%02x\n", 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp & INTEL_855_GMCH_GMS_MASK); 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 280689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_check_non_crt(struct intelfb_info *dinfo) 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int dvo = 0; 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(LVDS) & PORT_ENABLE) 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= LVDS_PORT; 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(DVOA) & PORT_ENABLE) 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= DVOA_PORT; 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(DVOB) & PORT_ENABLE) 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= DVOB_PORT; 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(DVOC) & PORT_ENABLE) 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= DVOC_PORT; 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return dvo; 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 296689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaconst char * intelfbhw_dvo_to_string(int dvo) 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dvo & DVOA_PORT) 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "DVO port A"; 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (dvo & DVOB_PORT) 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "DVO port B"; 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (dvo & DVOC_PORT) 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "DVO port C"; 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (dvo & LVDS_PORT) 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "LVDS port"; 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return NULL; 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 311689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_validate_mode(struct intelfb_info *dinfo, 312689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa struct fb_var_screeninfo *var) 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int bytes_per_pixel; 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int tmp; 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_validate_mode\n"); 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bytes_per_pixel = var->bits_per_pixel / 8; 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bytes_per_pixel == 3) 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bytes_per_pixel = 4; 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check if enough video memory. */ 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = var->yres_virtual * var->xres_virtual * bytes_per_pixel; 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp > dinfo->fb.size) { 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Not enough video ram for mode " 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "(%d KByte vs %d KByte).\n", 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BtoKB(tmp), BtoKB(dinfo->fb.size)); 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check if x/y limits are OK. */ 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (var->xres - 1 > HACTIVE_MASK) { 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("X resolution too large (%d vs %d).\n", 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds var->xres, HACTIVE_MASK + 1); 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (var->yres - 1 > VACTIVE_MASK) { 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Y resolution too large (%d vs %d).\n", 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds var->yres, VACTIVE_MASK + 1); 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 34528ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa if (var->xres < 4) { 34628ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa WRN_MSG("X resolution too small (%d vs 4).\n", var->xres); 34728ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa return 1; 34828ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa } 34928ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa if (var->yres < 4) { 35028ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa WRN_MSG("Y resolution too small (%d vs 4).\n", var->yres); 35128ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa return 1; 35228ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa } 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 35410b98368a0a94b015c1a596b7a02eff447a65226Krzysztof Halasa /* Check for doublescan modes. */ 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (var->vmode & FB_VMODE_DOUBLE) { 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Mode is double-scan.\n"); 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 36028ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa if ((var->vmode & FB_VMODE_INTERLACED) && (var->yres & 1)) { 36128ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa WRN_MSG("Odd number of lines in interlaced mode\n"); 36228ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa return 1; 36328ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa } 36428ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check if clock is OK. */ 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = 1000000000 / var->pixclock; 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp < MIN_CLOCK) { 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Pixel clock is too low (%d MHz vs %d MHz).\n", 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (tmp + 500) / 1000, MIN_CLOCK / 1000); 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp > MAX_CLOCK) { 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Pixel clock is too high (%d MHz vs %d MHz).\n", 3741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (tmp + 500) / 1000, MAX_CLOCK / 1000); 3751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 381689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct intelfb_info *dinfo = GET_DINFO(info); 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 offset, xoffset, yoffset; 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_pan_display\n"); 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds xoffset = ROUND_DOWN_TO(var->xoffset, 8); 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds yoffset = var->yoffset; 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 393f5b9cc6a66feee205609ef98b1f5a51168c26b74Laurent Pinchart if ((xoffset + info->var.xres > info->var.xres_virtual) || 394f5b9cc6a66feee205609ef98b1f5a51168c26b74Laurent Pinchart (yoffset + info->var.yres > info->var.yres_virtual)) 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds offset = (yoffset * dinfo->pitch) + 398f5b9cc6a66feee205609ef98b1f5a51168c26b74Laurent Pinchart (xoffset * info->var.bits_per_pixel) / 8; 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds offset += dinfo->fb.offset << 12; 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 402f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt dinfo->vsync.pan_offset = offset; 403689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa if ((var->activate & FB_ACTIVATE_VBL) && 404394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa !intelfbhw_enable_irq(dinfo)) 405f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt dinfo->vsync.pan_display = 1; 406689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa else { 407f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt dinfo->vsync.pan_display = 0; 408f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt OUTREG(DSPABASE, offset); 409f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt } 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Blank the screen. */ 415689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_do_blank(int blank, struct fb_info *info) 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct intelfb_info *dinfo = GET_DINFO(info); 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_blank: blank is %d\n", blank); 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Turn plane A on or off */ 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (blank) 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~DISPPLANE_PLANE_ENABLE; 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= DISPPLANE_PLANE_ENABLE; 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush */ 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPABASE); 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPABASE, tmp); 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Turn off/on the HW cursor */ 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("cursor_on is %d\n", dinfo->cursor_on); 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->cursor_on) { 440689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa if (blank) 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds intelfbhw_cursor_hide(dinfo); 442689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa else 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds intelfbhw_cursor_show(dinfo); 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_on = 1; 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_blanked = blank; 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set DPMS level */ 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(ADPA) & ~ADPA_DPMS_CONTROL_MASK; 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (blank) { 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_UNBLANK: 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_NORMAL: 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D0; 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_VSYNC_SUSPEND: 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D1; 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_HSYNC_SUSPEND: 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D2; 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_POWERDOWN: 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D3; 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, tmp); 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 471cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt/* Check which pipe is connected to an active display plane. */ 472cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Heltint intelfbhw_active_pipe(const struct intelfb_hwstate *hw) 473cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt{ 474cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt int pipe = -1; 475cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt 476cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt /* keep old default behaviour - prefer PIPE_A */ 477cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt if (hw->disp_b_ctrl & DISPPLANE_PLANE_ENABLE) { 478cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt pipe = (hw->disp_b_ctrl >> DISPPLANE_SEL_PIPE_SHIFT); 479cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt pipe &= PIPE_MASK; 480cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt if (unlikely(pipe == PIPE_A)) 481cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt return PIPE_A; 482cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt } 483cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt if (hw->disp_a_ctrl & DISPPLANE_PLANE_ENABLE) { 484cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt pipe = (hw->disp_a_ctrl >> DISPPLANE_SEL_PIPE_SHIFT); 485cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt pipe &= PIPE_MASK; 486cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt if (likely(pipe == PIPE_A)) 487cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt return PIPE_A; 488cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt } 489cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt /* Impossible that no pipe is selected - return PIPE_A */ 490cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt WARN_ON(pipe == -1); 491cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt if (unlikely(pipe == -1)) 492cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt pipe = PIPE_A; 493cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt 494cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt return pipe; 495cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt} 496cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt 497689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_setcolreg(struct intelfb_info *dinfo, unsigned regno, 498689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa unsigned red, unsigned green, unsigned blue, 499689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa unsigned transp) 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 501ee5618f4937dcbff15e504663d81a7adb3d849bfKrzysztof Halasa u32 palette_reg = (dinfo->pipe == PIPE_A) ? 502ee5618f4937dcbff15e504663d81a7adb3d849bfKrzysztof Halasa PALETTE_A : PALETTE_B; 503ee5618f4937dcbff15e504663d81a7adb3d849bfKrzysztof Halasa 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_setcolreg: %d: (%d, %d, %d)\n", 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds regno, red, green, blue); 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(palette_reg + (regno << 2), 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (red << PALETTE_8_RED_SHIFT) | 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (green << PALETTE_8_GREEN_SHIFT) | 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (blue << PALETTE_8_BLUE_SHIFT)); 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 516689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_read_hw_state(struct intelfb_info *dinfo, 517689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa struct intelfb_hwstate *hw, int flag) 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_read_hw_state\n"); 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!hw || !dinfo) 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Read in as much of the HW state as possible. */ 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vga0_divisor = INREG(VGA0_DIVISOR); 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vga1_divisor = INREG(VGA1_DIVISOR); 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vga_pd = INREG(VGAPD); 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dpll_a = INREG(DPLL_A); 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dpll_b = INREG(DPLL_B); 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpa0 = INREG(FPA0); 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpa1 = INREG(FPA1); 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpb0 = INREG(FPB0); 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpb1 = INREG(FPB1); 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 1) 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* This seems to be a problem with the 852GM/855GM */ 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < PALETTE_8_ENTRIES; i++) { 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->palette_a[i] = INREG(PALETTE_A + (i << 2)); 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->palette_b[i] = INREG(PALETTE_B + (i << 2)); 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 2) 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->htotal_a = INREG(HTOTAL_A); 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hblank_a = INREG(HBLANK_A); 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hsync_a = INREG(HSYNC_A); 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vtotal_a = INREG(VTOTAL_A); 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vblank_a = INREG(VBLANK_A); 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vsync_a = INREG(VSYNC_A); 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->src_size_a = INREG(SRC_SIZE_A); 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->bclrpat_a = INREG(BCLRPAT_A); 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->htotal_b = INREG(HTOTAL_B); 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hblank_b = INREG(HBLANK_B); 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hsync_b = INREG(HSYNC_B); 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vtotal_b = INREG(VTOTAL_B); 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vblank_b = INREG(VBLANK_B); 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vsync_b = INREG(VSYNC_B); 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->src_size_b = INREG(SRC_SIZE_B); 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->bclrpat_b = INREG(BCLRPAT_B); 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 3) 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa = INREG(ADPA); 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoa = INREG(DVOA); 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvob = INREG(DVOB); 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoc = INREG(DVOC); 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoa_srcdim = INREG(DVOA_SRCDIM); 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvob_srcdim = INREG(DVOB_SRCDIM); 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoc_srcdim = INREG(DVOC_SRCDIM); 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->lvds = INREG(LVDS); 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 4) 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->pipe_a_conf = INREG(PIPEACONF); 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->pipe_b_conf = INREG(PIPEBCONF); 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_arb = INREG(DISPARB); 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 5) 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_a_control = INREG(CURSOR_A_CONTROL); 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_b_control = INREG(CURSOR_B_CONTROL); 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_a_base = INREG(CURSOR_A_BASEADDR); 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_b_base = INREG(CURSOR_B_BASEADDR); 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 6) 5981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 4; i++) { 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_a_palette[i] = INREG(CURSOR_A_PALETTE0 + (i << 2)); 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_b_palette[i] = INREG(CURSOR_B_PALETTE0 + (i << 2)); 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 7) 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_size = INREG(CURSOR_SIZE); 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 8) 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl = INREG(DSPACNTR); 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_b_ctrl = INREG(DSPBCNTR); 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_base = INREG(DSPABASE); 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_b_base = INREG(DSPBBASE); 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_stride = INREG(DSPASTRIDE); 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_b_stride = INREG(DSPBSTRIDE); 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 9) 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vgacntrl = INREG(VGACNTRL); 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 10) 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->add_id = INREG(ADD_ID); 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 11) 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 7; i++) { 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf0x[i] = INREG(SWF00 + (i << 2)); 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf1x[i] = INREG(SWF10 + (i << 2)); 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < 3) 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf3x[i] = INREG(SWF30 + (i << 2)); 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 8; i++) 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fence[i] = INREG(FENCE + (i << 2)); 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->instpm = INREG(INSTPM); 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->mem_mode = INREG(MEM_MODE); 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fw_blc_0 = INREG(FW_BLC_0); 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fw_blc_1 = INREG(FW_BLC_1); 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6489a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt hw->hwstam = INREG16(HWSTAM); 6499a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt hw->ier = INREG16(IER); 6509a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt hw->iir = INREG16(IIR); 6519a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt hw->imr = INREG16(IMR); 6529a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 657d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airliestatic int calc_vclock3(int index, int m, int n, int p) 658d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie{ 6597679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie if (p == 0 || n == 0) 6607679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie return 0; 6613aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie return plls[index].ref_clk * m / n / p; 662d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie} 6638b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie 664689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic int calc_vclock(int index, int m1, int m2, int n, int p1, int p2, 665689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa int lvds) 666d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie{ 667c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie struct pll_min_max *pll = &plls[index]; 668c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie u32 m, vco, p; 669c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie 670c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie m = (5 * (m1 + 2)) + (m2 + 2); 671c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie n += 2; 672c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie vco = pll->ref_clk * m / n; 673c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie 674689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa if (index == PLLS_I8xx) 675c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p = ((p1 + 2) * (1 << (p2 + 1))); 676689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa else 677c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p = ((p1) * (p2 ? 5 : 10)); 678c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie return vco / p; 679d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie} 680d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie 6814dc3595f5c569021b1bd0109502acfca82036902Parag Warudkar#if REGDUMP 682689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic void intelfbhw_get_p1p2(struct intelfb_info *dinfo, int dpll, 683689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa int *o_p1, int *o_p2) 6842abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie{ 6852abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie int p1, p2; 6862abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 6872abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie if (IS_I9XX(dinfo)) { 6882abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie if (dpll & DPLL_P1_FORCE_DIV2) 6892abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p1 = 1; 6902abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie else 6912abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p1 = (dpll >> DPLL_P1_SHIFT) & 0xff; 692689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa 6932abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p1 = ffs(p1); 6942abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 6952abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p2 = (dpll >> DPLL_I9XX_P2_SHIFT) & DPLL_P2_MASK; 6962abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie } else { 6972abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie if (dpll & DPLL_P1_FORCE_DIV2) 6982abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p1 = 0; 6992abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie else 7002abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p1 = (dpll >> DPLL_P1_SHIFT) & DPLL_P1_MASK; 7012abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p2 = (dpll >> DPLL_P2_SHIFT) & DPLL_P2_MASK; 7022abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie } 7032abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 7042abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie *o_p1 = p1; 7052abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie *o_p2 = p2; 7062abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie} 7074dc3595f5c569021b1bd0109502acfca82036902Parag Warudkar#endif 7082abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 7092abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 710689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_print_hw_state(struct intelfb_info *dinfo, 711689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa struct intelfb_hwstate *hw) 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if REGDUMP 7141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, m1, m2, n, p1, p2; 715d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie int index = dinfo->pll_index; 7161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_print_hw_state\n"); 7173aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 718f84fcb06a1f7ab4ac0444ece82b25b0701369641Eric Sesterhenn if (!hw) 7191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 7201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Read in as much of the HW state as possible. */ 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("hw state dump start\n"); 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA0_DIVISOR: 0x%08x\n", hw->vga0_divisor); 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA1_DIVISOR: 0x%08x\n", hw->vga1_divisor); 724689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa printk(" VGAPD: 0x%08x\n", hw->vga_pd); 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->vga0_divisor >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->vga0_divisor >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->vga0_divisor >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7283aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7292abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie intelfbhw_get_p1p2(dinfo, hw->vga_pd, &p1, &p2); 7303aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA0: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 732d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie m1, m2, n, p1, p2); 7338b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie printk(" VGA0: clock is %d\n", 7343aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie calc_vclock(index, m1, m2, n, p1, p2, 0)); 7353aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->vga1_divisor >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->vga1_divisor >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->vga1_divisor >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7392abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 7402abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie intelfbhw_get_p1p2(dinfo, hw->vga_pd, &p1, &p2); 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA1: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 742d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie m1, m2, n, p1, p2); 743689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa printk(" VGA1: clock is %d\n", 744689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa calc_vclock(index, m1, m2, n, p1, p2, 0)); 7453aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DPLL_A: 0x%08x\n", hw->dpll_a); 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DPLL_B: 0x%08x\n", hw->dpll_b); 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPA0: 0x%08x\n", hw->fpa0); 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPA1: 0x%08x\n", hw->fpa1); 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPB0: 0x%08x\n", hw->fpb0); 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPB1: 0x%08x\n", hw->fpb1); 7523aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->fpa0 >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->fpa0 >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->fpa0 >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7563aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7572abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie intelfbhw_get_p1p2(dinfo, hw->dpll_a, &p1, &p2); 7583aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PLLA0: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 760d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie m1, m2, n, p1, p2); 761689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa printk(" PLLA0: clock is %d\n", 762689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa calc_vclock(index, m1, m2, n, p1, p2, 0)); 7633aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->fpa1 >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->fpa1 >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->fpa1 >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7673aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7682abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie intelfbhw_get_p1p2(dinfo, hw->dpll_a, &p1, &p2); 7693aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PLLA1: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 771d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie m1, m2, n, p1, p2); 772689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa printk(" PLLA1: clock is %d\n", 773689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa calc_vclock(index, m1, m2, n, p1, p2, 0)); 7743aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PALETTE_A:\n"); 7771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < PALETTE_8_ENTRIES) 778d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie printk(" %3d: 0x%08x\n", i, hw->palette_a[i]); 7791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PALETTE_B:\n"); 7801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < PALETTE_8_ENTRIES) 781d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie printk(" %3d: 0x%08x\n", i, hw->palette_b[i]); 7821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 7831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HTOTAL_A: 0x%08x\n", hw->htotal_a); 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HBLANK_A: 0x%08x\n", hw->hblank_a); 7861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HSYNC_A: 0x%08x\n", hw->hsync_a); 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VTOTAL_A: 0x%08x\n", hw->vtotal_a); 7881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VBLANK_A: 0x%08x\n", hw->vblank_a); 7891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VSYNC_A: 0x%08x\n", hw->vsync_a); 7901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SRC_SIZE_A: 0x%08x\n", hw->src_size_a); 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" BCLRPAT_A: 0x%08x\n", hw->bclrpat_a); 7921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HTOTAL_B: 0x%08x\n", hw->htotal_b); 7931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HBLANK_B: 0x%08x\n", hw->hblank_b); 7941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HSYNC_B: 0x%08x\n", hw->hsync_b); 7951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VTOTAL_B: 0x%08x\n", hw->vtotal_b); 7961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VBLANK_B: 0x%08x\n", hw->vblank_b); 7971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VSYNC_B: 0x%08x\n", hw->vsync_b); 7981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SRC_SIZE_B: 0x%08x\n", hw->src_size_b); 7991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" BCLRPAT_B: 0x%08x\n", hw->bclrpat_b); 8001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" ADPA: 0x%08x\n", hw->adpa); 8021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOA: 0x%08x\n", hw->dvoa); 8031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOB: 0x%08x\n", hw->dvob); 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOC: 0x%08x\n", hw->dvoc); 8051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOA_SRCDIM: 0x%08x\n", hw->dvoa_srcdim); 8061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOB_SRCDIM: 0x%08x\n", hw->dvob_srcdim); 8071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOC_SRCDIM: 0x%08x\n", hw->dvoc_srcdim); 8081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" LVDS: 0x%08x\n", hw->lvds); 8091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PIPEACONF: 0x%08x\n", hw->pipe_a_conf); 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PIPEBCONF: 0x%08x\n", hw->pipe_b_conf); 8121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DISPARB: 0x%08x\n", hw->disp_arb); 8131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_A_CONTROL: 0x%08x\n", hw->cursor_a_control); 8151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_B_CONTROL: 0x%08x\n", hw->cursor_b_control); 8161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_A_BASEADDR: 0x%08x\n", hw->cursor_a_base); 8171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_B_BASEADDR: 0x%08x\n", hw->cursor_b_base); 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_A_PALETTE: "); 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 4; i++) { 8211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("0x%08x", hw->cursor_a_palette[i]); 8221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < 3) 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(", "); 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("\n"); 8261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_B_PALETTE: "); 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 4; i++) { 8281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("0x%08x", hw->cursor_b_palette[i]); 8291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < 3) 8301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(", "); 8311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("\n"); 8331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_SIZE: 0x%08x\n", hw->cursor_size); 8351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPACNTR: 0x%08x\n", hw->disp_a_ctrl); 8371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPBCNTR: 0x%08x\n", hw->disp_b_ctrl); 8381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPABASE: 0x%08x\n", hw->disp_a_base); 8391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPBBASE: 0x%08x\n", hw->disp_b_base); 8401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPASTRIDE: 0x%08x\n", hw->disp_a_stride); 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPBSTRIDE: 0x%08x\n", hw->disp_b_stride); 8421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGACNTRL: 0x%08x\n", hw->vgacntrl); 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" ADD_ID: 0x%08x\n", hw->add_id); 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 7; i++) { 8471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SWF0%d 0x%08x\n", i, 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf0x[i]); 8491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 7; i++) { 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SWF1%d 0x%08x\n", i, 8521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf1x[i]); 8531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 3; i++) { 8551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SWF3%d 0x%08x\n", i, 856d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie hw->swf3x[i]); 8571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 8; i++) 8591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FENCE%d 0x%08x\n", i, 860d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie hw->fence[i]); 8618b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie 8621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" INSTPM 0x%08x\n", hw->instpm); 8631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" MEM_MODE 0x%08x\n", hw->mem_mode); 8641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FW_BLC_0 0x%08x\n", hw->fw_blc_0); 8651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FW_BLC_1 0x%08x\n", hw->fw_blc_1); 8661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8679a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt printk(" HWSTAM 0x%04x\n", hw->hwstam); 8689a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt printk(" IER 0x%04x\n", hw->ier); 8699a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt printk(" IIR 0x%04x\n", hw->iir); 8709a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt printk(" IMR 0x%04x\n", hw->imr); 8711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("hw state dump end\n"); 8721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 8731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8758b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie 876d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie 8771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Split the M parameter into M1 and M2. */ 878689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic int splitm(int index, unsigned int m, unsigned int *retm1, 879689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa unsigned int *retm2) 8801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int m1, m2; 8828492f081e5552ff388068f612eae6f55f7210ed4Dave Airlie int testm; 883c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie struct pll_min_max *pll = &plls[index]; 884c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie 8858492f081e5552ff388068f612eae6f55f7210ed4Dave Airlie /* no point optimising too much - brute force m */ 886c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie for (m1 = pll->min_m1; m1 < pll->max_m1 + 1; m1++) { 887c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie for (m2 = pll->min_m2; m2 < pll->max_m2 + 1; m2++) { 8883aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie testm = (5 * (m1 + 2)) + (m2 + 2); 8898b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie if (testm == m) { 8908b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie *retm1 = (unsigned int)m1; 8918b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie *retm2 = (unsigned int)m2; 8928b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie return 0; 8938b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie } 8948b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie } 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8968492f081e5552ff388068f612eae6f55f7210ed4Dave Airlie return 1; 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Split the P parameter into P1 and P2. */ 900689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic int splitp(int index, unsigned int p, unsigned int *retp1, 901689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa unsigned int *retp2) 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int p1, p2; 904c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie struct pll_min_max *pll = &plls[index]; 9051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9068b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie if (index == PLLS_I9xx) { 90751d797474f87b375819d084f7583a2864c5656c4Dave Airlie p2 = (p % 10) ? 1 : 0; 9083aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 9093aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie p1 = p / (p2 ? 5 : 10); 9103aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 911d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie *retp1 = (unsigned int)p1; 912d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie *retp2 = (unsigned int)p2; 913d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie return 0; 914d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie } 915d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie 916c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie if (p % 4 == 0) 917c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p2 = 1; 918c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie else 919c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p2 = 0; 920c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p1 = (p / (1 << (p2 + 1))) - 2; 921c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie if (p % 4 == 0 && p1 < pll->min_p1) { 922c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p2 = 0; 9231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p1 = (p / (1 << (p2 + 1))) - 2; 9241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 925c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie if (p1 < pll->min_p1 || p1 > pll->max_p1 || 926c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie (p1 + 2) * (1 << (p2 + 1)) != p) { 927c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie return 1; 928c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie } else { 929c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie *retp1 = (unsigned int)p1; 930c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie *retp2 = (unsigned int)p2; 931c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie return 0; 932c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie } 9331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 935689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic int calc_pll_params(int index, int clock, u32 *retm1, u32 *retm2, 936689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa u32 *retn, u32 *retp1, u32 *retp2, u32 *retclock) 9371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9387679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie u32 m1, m2, n, p1, p2, n1, testm; 9397679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie u32 f_vco, p, p_best = 0, m, f_out = 0; 9401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 err_max, err_target, err_best = 10000000; 9411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 n_best = 0, m_best = 0, f_best, f_err; 94251d797474f87b375819d084f7583a2864c5656c4Dave Airlie u32 p_min, p_max, p_inc, div_max; 94351d797474f87b375819d084f7583a2864c5656c4Dave Airlie struct pll_min_max *pll = &plls[index]; 9441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Accept 0.5% difference, but aim for 0.1% */ 9461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err_max = 5 * clock / 1000; 9471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err_target = clock / 1000; 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("Clock is %d\n", clock); 9501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 95151d797474f87b375819d084f7583a2864c5656c4Dave Airlie div_max = pll->max_vco / clock; 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 95351d797474f87b375819d084f7583a2864c5656c4Dave Airlie p_inc = (clock <= pll->p_transition_clk) ? pll->p_inc_lo : pll->p_inc_hi; 95451d797474f87b375819d084f7583a2864c5656c4Dave Airlie p_min = p_inc; 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p_max = ROUND_DOWN_TO(div_max, p_inc); 95651d797474f87b375819d084f7583a2864c5656c4Dave Airlie if (p_min < pll->min_p) 95751d797474f87b375819d084f7583a2864c5656c4Dave Airlie p_min = pll->min_p; 95851d797474f87b375819d084f7583a2864c5656c4Dave Airlie if (p_max > pll->max_p) 95951d797474f87b375819d084f7583a2864c5656c4Dave Airlie p_max = pll->max_p; 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("p range is %d-%d (%d)\n", p_min, p_max, p_inc); 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = p_min; 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 9657258b11d2e9a47d2b01620622579f22906960e1aDave Airlie if (splitp(index, p, &p1, &p2)) { 9661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("cannot split p = %d\n", p); 9671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p += p_inc; 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 97051d797474f87b375819d084f7583a2864c5656c4Dave Airlie n = pll->min_n; 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds f_vco = clock * p; 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 97451d797474f87b375819d084f7583a2864c5656c4Dave Airlie m = ROUND_UP_TO(f_vco * n, pll->ref_clk) / pll->ref_clk; 97551d797474f87b375819d084f7583a2864c5656c4Dave Airlie if (m < pll->min_m) 97651d797474f87b375819d084f7583a2864c5656c4Dave Airlie m = pll->min_m + 1; 97751d797474f87b375819d084f7583a2864c5656c4Dave Airlie if (m > pll->max_m) 97851d797474f87b375819d084f7583a2864c5656c4Dave Airlie m = pll->max_m - 1; 9797679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie for (testm = m - 1; testm <= m; testm++) { 9809c54ea95852a920720868d0e18bb4e9d645ea007Krzysztof Halasa f_out = calc_vclock3(index, testm, n, p); 981c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie if (splitm(index, testm, &m1, &m2)) { 9829c54ea95852a920720868d0e18bb4e9d645ea007Krzysztof Halasa WRN_MSG("cannot split m = %d\n", 9839c54ea95852a920720868d0e18bb4e9d645ea007Krzysztof Halasa testm); 9847679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie continue; 9857679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie } 9867679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie if (clock > f_out) 9877679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie f_err = clock - f_out; 9887679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie else/* slightly bias the error for bigger clocks */ 9897679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie f_err = f_out - clock + 1; 9903aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 9917679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie if (f_err < err_best) { 992c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie m_best = testm; 9937679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie n_best = n; 9947679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie p_best = p; 9957679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie f_best = f_out; 9967679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie err_best = f_err; 9977679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie } 9981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n++; 100051d797474f87b375819d084f7583a2864c5656c4Dave Airlie } while ((n <= pll->max_n) && (f_out >= clock)); 10011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p += p_inc; 10021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } while ((p <= p_max)); 10031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!m_best) { 10051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("cannot find parameters for clock %d\n", clock); 10061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m = m_best; 10091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = n_best; 10101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = p_best; 10117258b11d2e9a47d2b01620622579f22906960e1aDave Airlie splitm(index, m, &m1, &m2); 10127258b11d2e9a47d2b01620622579f22906960e1aDave Airlie splitp(index, p, &p1, &p2); 10131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n1 = n - 2; 10141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("m, n, p: %d (%d,%d), %d (%d), %d (%d,%d), " 10161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "f: %d (%d), VCO: %d\n", 10171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m, m1, m2, n, n1, p, p1, p2, 10188b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie calc_vclock3(index, m, n, p), 10193aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie calc_vclock(index, m1, m2, n1, p1, p2, 0), 1020d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie calc_vclock3(index, m, n, p) * p); 10211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retm1 = m1; 10221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retm2 = m2; 10231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retn = n1; 10241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retp1 = p1; 10251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retp2 = p2; 10263aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie *retclock = calc_vclock(index, m1, m2, n1, p1, p2, 0); 10271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 10291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1031689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic __inline__ int check_overflow(u32 value, u32 limit, 1032689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa const char *description) 10331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 10341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (value > limit) { 10351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("%s value %d exceeds limit %d\n", 10361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds description, value, limit); 10371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 10401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 10411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* It is assumed that hw is filled in with the initial state information. */ 1043689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_mode_to_hw(struct intelfb_info *dinfo, 1044689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa struct intelfb_hwstate *hw, 1045689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa struct fb_var_screeninfo *var) 10461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1047cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt int pipe = intelfbhw_active_pipe(hw); 10481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *dpll, *fp0, *fp1; 10491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 m1, m2, n, p1, p2, clock_target, clock; 10501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 hsync_start, hsync_end, hblank_start, hblank_end, htotal, hactive; 10511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 vsync_start, vsync_end, vblank_start, vblank_end, vtotal, vactive; 10521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 vsync_pol, hsync_pol; 10531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *vs, *vb, *vt, *hs, *hb, *ht, *ss, *pipe_conf; 1054df7df8ab7b38ca80bbaf5ffafd401d6c739fd45fDennis Munsie u32 stride_alignment; 10551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_mode_to_hw\n"); 10571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable VGA */ 10591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vgacntrl |= VGA_DISABLE; 10601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set which pipe's registers will be set. */ 10621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (pipe == PIPE_B) { 10631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_b; 10641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpb0; 10651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpb1; 10661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_b; 10671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_b; 10681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_b; 10691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_b; 10701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_b; 10711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_b; 10721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_b; 10731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_b_conf; 10741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 10751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_a; 10761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpa0; 10771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpa1; 10781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_a; 10791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_a; 10801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_a; 10811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_a; 10821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_a; 10831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_a; 10841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_a; 10851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_a_conf; 10861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Use ADPA register for sync control. */ 10891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~ADPA_USE_VGA_HVPOLARITY; 10901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* sync polarity */ 10921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_pol = (var->sync & FB_SYNC_HOR_HIGH_ACT) ? 10931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADPA_SYNC_ACTIVE_HIGH : ADPA_SYNC_ACTIVE_LOW; 10941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_pol = (var->sync & FB_SYNC_VERT_HIGH_ACT) ? 10951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADPA_SYNC_ACTIVE_HIGH : ADPA_SYNC_ACTIVE_LOW; 10961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~((ADPA_SYNC_ACTIVE_MASK << ADPA_VSYNC_ACTIVE_SHIFT) | 10971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (ADPA_SYNC_ACTIVE_MASK << ADPA_HSYNC_ACTIVE_SHIFT)); 10981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= (hsync_pol << ADPA_HSYNC_ACTIVE_SHIFT) | 10991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (vsync_pol << ADPA_VSYNC_ACTIVE_SHIFT); 11001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Connect correct pipe to the analog port DAC */ 11021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~(PIPE_MASK << ADPA_PIPE_SELECT_SHIFT); 11031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= (pipe << ADPA_PIPE_SELECT_SHIFT); 11041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set DPMS state to D0 (on) */ 11061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~ADPA_DPMS_CONTROL_MASK; 11071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= ADPA_DPMS_D0; 11081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= ADPA_DAC_ENABLE; 11101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll |= (DPLL_VCO_ENABLE | DPLL_VGA_MODE_DISABLE); 11121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll &= ~(DPLL_RATE_SELECT_MASK | DPLL_REFERENCE_SELECT_MASK); 11131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll |= (DPLL_REFERENCE_DEFAULT | DPLL_RATE_SELECT_FP0); 11141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Desired clock in kHz */ 11161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_target = 1000000000 / var->pixclock; 11171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11183aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (calc_pll_params(dinfo->pll_index, clock_target, &m1, &m2, 11198b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie &n, &p1, &p2, &clock)) { 11201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("calc_pll_params failed\n"); 11211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check for overflow. */ 11251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(p1, DPLL_P1_MASK, "PLL P1 parameter")) 11261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(p2, DPLL_P2_MASK, "PLL P2 parameter")) 11281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(m1, FP_DIVISOR_MASK, "PLL M1 parameter")) 11301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(m2, FP_DIVISOR_MASK, "PLL M2 parameter")) 11321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(n, FP_DIVISOR_MASK, "PLL N parameter")) 11341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll &= ~DPLL_P1_FORCE_DIV2; 11371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll &= ~((DPLL_P2_MASK << DPLL_P2_SHIFT) | 11381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (DPLL_P1_MASK << DPLL_P1_SHIFT)); 11393aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 11403aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (IS_I9XX(dinfo)) { 11413aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie *dpll |= (p2 << DPLL_I9XX_P2_SHIFT); 11423aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie *dpll |= (1 << (p1 - 1)) << DPLL_P1_SHIFT; 1143689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa } else 11443aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie *dpll |= (p2 << DPLL_P2_SHIFT) | (p1 << DPLL_P1_SHIFT); 11453aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 11461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *fp0 = (n << FP_N_DIVISOR_SHIFT) | 11471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (m1 << FP_M1_DIVISOR_SHIFT) | 11481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (m2 << FP_M2_DIVISOR_SHIFT); 11491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *fp1 = *fp0; 11501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvob &= ~PORT_ENABLE; 11521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoc &= ~PORT_ENABLE; 11531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Use display plane A. */ 11551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_PLANE_ENABLE; 11561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl &= ~DISPPLANE_GAMMA_ENABLE; 11571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl &= ~DISPPLANE_PIXFORMAT_MASK; 11581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (intelfb_var_to_depth(var)) { 11591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 11601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_8BPP | DISPPLANE_GAMMA_ENABLE; 11611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 11621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 15: 11631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_15_16BPP; 11641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 11651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 11661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_16BPP; 11671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 11681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 24: 11691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_32BPP_NO_ALPHA; 11701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 11711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl &= ~(PIPE_MASK << DISPPLANE_SEL_PIPE_SHIFT); 11731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= (pipe << DISPPLANE_SEL_PIPE_SHIFT); 11741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set CRTC registers. */ 11761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hactive = var->xres; 11771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_start = hactive + var->right_margin; 11781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_end = hsync_start + var->hsync_len; 11791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal = hsync_end + var->left_margin; 11801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_start = hactive; 11811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_end = htotal; 11821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("H: act %d, ss %d, se %d, tot %d bs %d, be %d\n", 11841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hactive, hsync_start, hsync_end, htotal, hblank_start, 11851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_end); 11861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vactive = var->yres; 118828ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa if (var->vmode & FB_VMODE_INTERLACED) 118928ebe4f66beda8f142569d24fe3b168f8a08a6a6Krzysztof Halasa vactive--; /* the chip adds 2 halflines automatically */ 11901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_start = vactive + var->lower_margin; 11911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_end = vsync_start + var->vsync_len; 11921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal = vsync_end + var->upper_margin; 11931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_start = vactive; 11941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end = vtotal; 11951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end = vsync_end + 1; 11961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("V: act %d, ss %d, se %d, tot %d bs %d, be %d\n", 11981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vactive, vsync_start, vsync_end, vtotal, vblank_start, 11991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end); 12001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Adjust for register values, and check for overflow. */ 12021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hactive--; 12031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hactive, HACTIVE_MASK, "CRTC hactive")) 12041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_start--; 12061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hsync_start, HSYNCSTART_MASK, "CRTC hsync_start")) 12071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_end--; 12091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hsync_end, HSYNCEND_MASK, "CRTC hsync_end")) 12101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal--; 12121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(htotal, HTOTAL_MASK, "CRTC htotal")) 12131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_start--; 12151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hblank_start, HBLANKSTART_MASK, "CRTC hblank_start")) 12161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_end--; 12181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hblank_end, HBLANKEND_MASK, "CRTC hblank_end")) 12191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vactive--; 12221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vactive, VACTIVE_MASK, "CRTC vactive")) 12231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_start--; 12251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vsync_start, VSYNCSTART_MASK, "CRTC vsync_start")) 12261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_end--; 12281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vsync_end, VSYNCEND_MASK, "CRTC vsync_end")) 12291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal--; 12311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vtotal, VTOTAL_MASK, "CRTC vtotal")) 12321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_start--; 12341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vblank_start, VBLANKSTART_MASK, "CRTC vblank_start")) 12351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end--; 12371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vblank_end, VBLANKEND_MASK, "CRTC vblank_end")) 12381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *ht = (htotal << HTOTAL_SHIFT) | (hactive << HACTIVE_SHIFT); 12411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *hb = (hblank_start << HBLANKSTART_SHIFT) | 12421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (hblank_end << HSYNCEND_SHIFT); 12431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *hs = (hsync_start << HSYNCSTART_SHIFT) | (hsync_end << HSYNCEND_SHIFT); 12441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *vt = (vtotal << VTOTAL_SHIFT) | (vactive << VACTIVE_SHIFT); 12461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *vb = (vblank_start << VBLANKSTART_SHIFT) | 12471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (vblank_end << VSYNCEND_SHIFT); 12481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *vs = (vsync_start << VSYNCSTART_SHIFT) | (vsync_end << VSYNCEND_SHIFT); 12491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *ss = (hactive << SRC_SIZE_HORIZ_SHIFT) | 12501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (vactive << SRC_SIZE_VERT_SHIFT); 12511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12523587c50991b96fee2d26942f380e36e4f40fad71Dave Airlie hw->disp_a_stride = dinfo->pitch; 12531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("pitch is %d\n", hw->disp_a_stride); 12541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_base = hw->disp_a_stride * var->yoffset + 12561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds var->xoffset * var->bits_per_pixel / 8; 12571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_base += dinfo->fb.offset << 12; 12591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check stride alignment. */ 1261df7df8ab7b38ca80bbaf5ffafd401d6c739fd45fDennis Munsie stride_alignment = IS_I9XX(dinfo) ? STRIDE_ALIGNMENT_I9XX : 1262df7df8ab7b38ca80bbaf5ffafd401d6c739fd45fDennis Munsie STRIDE_ALIGNMENT; 1263df7df8ab7b38ca80bbaf5ffafd401d6c739fd45fDennis Munsie if (hw->disp_a_stride % stride_alignment != 0) { 12641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("display stride %d has bad alignment %d\n", 1265df7df8ab7b38ca80bbaf5ffafd401d6c739fd45fDennis Munsie hw->disp_a_stride, stride_alignment); 12661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 12681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set the palette to 8-bit mode. */ 12701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *pipe_conf &= ~PIPECONF_GAMMA; 127110b98368a0a94b015c1a596b7a02eff447a65226Krzysztof Halasa 127210b98368a0a94b015c1a596b7a02eff447a65226Krzysztof Halasa if (var->vmode & FB_VMODE_INTERLACED) 127310b98368a0a94b015c1a596b7a02eff447a65226Krzysztof Halasa *pipe_conf |= PIPECONF_INTERLACE_W_FIELD_INDICATION; 127410b98368a0a94b015c1a596b7a02eff447a65226Krzysztof Halasa else 127510b98368a0a94b015c1a596b7a02eff447a65226Krzysztof Halasa *pipe_conf &= ~PIPECONF_INTERLACE_MASK; 127610b98368a0a94b015c1a596b7a02eff447a65226Krzysztof Halasa 12771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 12781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Program a (non-VGA) video mode. */ 1281689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_program_mode(struct intelfb_info *dinfo, 1282689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa const struct intelfb_hwstate *hw, int blank) 12831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 12841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 12851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const u32 *dpll, *fp0, *fp1, *pipe_conf; 12861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const u32 *hs, *ht, *hb, *vs, *vt, *vb, *ss; 1287394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa u32 dpll_reg, fp0_reg, fp1_reg, pipe_conf_reg, pipe_stat_reg; 12881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 hsync_reg, htotal_reg, hblank_reg; 12891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 vsync_reg, vtotal_reg, vblank_reg; 12901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 src_size_reg; 12917679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie u32 count, tmp_val[3]; 12921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1293cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt /* Assume single pipe */ 12941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 12961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_program_mode\n"); 12971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 12981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable VGA */ 13001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(VGACNTRL); 13011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= VGA_DISABLE; 13021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(VGACNTRL, tmp); 13031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1304cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt dinfo->pipe = intelfbhw_active_pipe(hw); 13051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1306cfbd646fe060f70fe6618be2f9c25f739c067e29Krzysztof Helt if (dinfo->pipe == PIPE_B) { 13071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_b; 13081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpb0; 13091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpb1; 13101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_b_conf; 13111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_b; 13121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_b; 13131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_b; 13141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_b; 13151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_b; 13161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_b; 13171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_b; 13181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll_reg = DPLL_B; 13191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0_reg = FPB0; 13201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1_reg = FPB1; 13211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf_reg = PIPEBCONF; 1322394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa pipe_stat_reg = PIPEBSTAT; 13231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_reg = HSYNC_B; 13241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal_reg = HTOTAL_B; 13251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_reg = HBLANK_B; 13261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_reg = VSYNC_B; 13271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal_reg = VTOTAL_B; 13281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_reg = VBLANK_B; 13291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds src_size_reg = SRC_SIZE_B; 13301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 13311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_a; 13321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpa0; 13331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpa1; 13341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_a_conf; 13351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_a; 13361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_a; 13371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_a; 13381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_a; 13391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_a; 13401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_a; 13411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_a; 13421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll_reg = DPLL_A; 13431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0_reg = FPA0; 13441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1_reg = FPA1; 13451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf_reg = PIPEACONF; 1346394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa pipe_stat_reg = PIPEASTAT; 13471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_reg = HSYNC_A; 13481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal_reg = HTOTAL_A; 13491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_reg = HBLANK_A; 13501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_reg = VSYNC_A; 13511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal_reg = VTOTAL_A; 13521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_reg = VBLANK_A; 13531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds src_size_reg = SRC_SIZE_A; 13541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 13551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13567679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie /* turn off pipe */ 13577679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie tmp = INREG(pipe_conf_reg); 13587679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie tmp &= ~PIPECONF_ENABLE; 13597679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(pipe_conf_reg, tmp); 13603aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 13617679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie count = 0; 13628b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie do { 1363ee5618f4937dcbff15e504663d81a7adb3d849bfKrzysztof Halasa tmp_val[count % 3] = INREG(PIPEA_DSL); 1364ee5618f4937dcbff15e504663d81a7adb3d849bfKrzysztof Halasa if ((tmp_val[0] == tmp_val[1]) && (tmp_val[1] == tmp_val[2])) 13653aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie break; 13663aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie count++; 13673aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie udelay(1); 13683aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (count % 200 == 0) { 13693aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie tmp = INREG(pipe_conf_reg); 13703aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie tmp &= ~PIPECONF_ENABLE; 13713aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie OUTREG(pipe_conf_reg, tmp); 13723aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie } 1373689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa } while (count < 2000); 13747679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie 13757679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(ADPA, INREG(ADPA) & ~ADPA_DAC_ENABLE); 13767679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie 13771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable planes A and B. */ 13781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 13791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~DISPPLANE_PLANE_ENABLE; 13801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 13811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPBCNTR); 13821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~DISPPLANE_PLANE_ENABLE; 13831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPBCNTR, tmp); 13841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13853aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie /* Wait for vblank. For now, just wait for a 50Hz cycle (20ms)) */ 13861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(20); 13871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1388f728377f6786bcdf1dbf33394360164e86f40094Dave Airlie OUTREG(DVOB, INREG(DVOB) & ~PORT_ENABLE); 1389f728377f6786bcdf1dbf33394360164e86f40094Dave Airlie OUTREG(DVOC, INREG(DVOC) & ~PORT_ENABLE); 1390f728377f6786bcdf1dbf33394360164e86f40094Dave Airlie OUTREG(ADPA, INREG(ADPA) & ~ADPA_DAC_ENABLE); 1391f728377f6786bcdf1dbf33394360164e86f40094Dave Airlie 13921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable Sync */ 13931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(ADPA); 13941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~ADPA_DPMS_CONTROL_MASK; 13951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D3; 13961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, tmp); 13971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13987679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie /* do some funky magic - xyzzy */ 13997679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(0x61204, 0xabcd0000); 14001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* turn off PLL */ 14021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(dpll_reg); 14038c8bd037e5bd7bbc3c82b74cbed4da1ddc3fe8deAntonino A. Daplas tmp &= ~DPLL_VCO_ENABLE; 14041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(dpll_reg, tmp); 14051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set PLL parameters */ 14071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(fp0_reg, *fp0); 14081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(fp1_reg, *fp1); 14091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14107679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie /* Enable PLL */ 1411f728377f6786bcdf1dbf33394360164e86f40094Dave Airlie OUTREG(dpll_reg, *dpll); 14121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set DVOs B/C */ 14141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DVOB, hw->dvob); 14151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DVOC, hw->dvoc); 14161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14177679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie /* undo funky magic */ 14187679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(0x61204, 0x00000000); 14197679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie 14201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set ADPA */ 14217679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(ADPA, INREG(ADPA) | ADPA_DAC_ENABLE); 14221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, (hw->adpa & ~(ADPA_DPMS_CONTROL_MASK)) | ADPA_DPMS_D3); 14231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14247679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie /* Set pipe parameters */ 14257679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(hsync_reg, *hs); 14267679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(hblank_reg, *hb); 14277679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(htotal_reg, *ht); 14287679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(vsync_reg, *vs); 14297679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(vblank_reg, *vb); 14307679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(vtotal_reg, *vt); 14317679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(src_size_reg, *ss); 14321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1433394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa switch (dinfo->info->var.vmode & (FB_VMODE_INTERLACED | 1434394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa FB_VMODE_ODD_FLD_FIRST)) { 1435394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa case FB_VMODE_INTERLACED | FB_VMODE_ODD_FLD_FIRST: 1436394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG(pipe_stat_reg, 0xFFFF | PIPESTAT_FLD_EVT_ODD_EN); 1437394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa break; 1438394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa case FB_VMODE_INTERLACED: /* even lines first */ 1439394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG(pipe_stat_reg, 0xFFFF | PIPESTAT_FLD_EVT_EVEN_EN); 1440394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa break; 1441394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa default: /* non-interlaced */ 1442394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG(pipe_stat_reg, 0xFFFF); /* clear all status bits only */ 1443394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa } 14441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Enable pipe */ 14451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(pipe_conf_reg, *pipe_conf | PIPECONF_ENABLE); 14461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Enable sync */ 14481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(ADPA); 14491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~ADPA_DPMS_CONTROL_MASK; 14501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D0; 14511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, tmp); 14521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* setup display plane */ 14541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->pdev->device == PCI_DEVICE_ID_INTEL_830M) { 14551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 14561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * i830M errata: the display plane must be enabled 14571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to allow writes to the other bits in the plane 14581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * control register. 14591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 14601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 14611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((tmp & DISPPLANE_PLANE_ENABLE) != DISPPLANE_PLANE_ENABLE) { 14621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= DISPPLANE_PLANE_ENABLE; 14631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 14641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, 14651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl|DISPPLANE_PLANE_ENABLE); 14661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(1); 14673aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie } 14681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, hw->disp_a_ctrl & ~DISPPLANE_PLANE_ENABLE); 14711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPASTRIDE, hw->disp_a_stride); 14721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPABASE, hw->disp_a_base); 14731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Enable plane */ 14751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!blank) { 14761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 14771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= DISPPLANE_PLANE_ENABLE; 14781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 14791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPABASE, hw->disp_a_base); 14801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 14831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 14841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* forward declarations */ 14861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void refresh_ring(struct intelfb_info *dinfo); 14871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void reset_state(struct intelfb_info *dinfo); 14881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void do_flush(struct intelfb_info *dinfo); 14891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 149071c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergenstatic u32 get_ring_space(struct intelfb_info *dinfo) 149171c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen{ 149271c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen u32 ring_space; 149371c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen 149471c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen if (dinfo->ring_tail >= dinfo->ring_head) 149571c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen ring_space = dinfo->ring.size - 149671c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen (dinfo->ring_tail - dinfo->ring_head); 149771c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen else 149871c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen ring_space = dinfo->ring_head - dinfo->ring_tail; 149971c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen 150071c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen if (ring_space > RING_MIN_FREE) 150171c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen ring_space -= RING_MIN_FREE; 150271c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen else 150371c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen ring_space = 0; 150471c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen 150571c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen return ring_space; 150671c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen} 150771c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen 1508689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic int wait_ring(struct intelfb_info *dinfo, int n) 15091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i = 0; 15111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long end; 15121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 last_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK; 15131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 15151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("wait_ring: %d\n", n); 15161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds end = jiffies + (HZ * 3); 15191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (dinfo->ring_space < n) { 15200fe6e2d2928e089d16ec5ed7ba634c1d60916020Al Viro dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK; 152171c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen dinfo->ring_space = get_ring_space(dinfo); 152271c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen 15230fe6e2d2928e089d16ec5ed7ba634c1d60916020Al Viro if (dinfo->ring_head != last_head) { 15241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds end = jiffies + (HZ * 3); 15250fe6e2d2928e089d16ec5ed7ba634c1d60916020Al Viro last_head = dinfo->ring_head; 15261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i++; 15281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (time_before(end, jiffies)) { 15291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!i) { 15301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Try again */ 15311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reset_state(dinfo); 15321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds refresh_ring(dinfo); 15331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do_flush(dinfo); 15341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds end = jiffies + (HZ * 3); 15351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = 1; 15361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 15371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("ring buffer : space: %d wanted %d\n", 15381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_space, n); 15391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("lockup - turning off hardware " 15401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "acceleration\n"); 15411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_lockup = 1; 15421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 15431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(1); 15461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return i; 15481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1550689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic void do_flush(struct intelfb_info *dinfo) 1551689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa{ 15521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(2); 15531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_FLUSH | MI_WRITE_DIRTY_STATE | MI_INVALIDATE_MAP_CACHE); 15541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_NOOP); 15551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 15561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1558689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_do_sync(struct intelfb_info *dinfo) 15591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 15611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_sync\n"); 15621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->accel) 15651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 15661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 15681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Send a flush, then wait until the ring is empty. This is what 15691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the XFree86 driver does, and actually it doesn't seem a lot worse 15701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * than the recommended method (both have problems). 15711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 15721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do_flush(dinfo); 15731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_ring(dinfo, dinfo->ring.size - RING_MIN_FREE); 15741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_space = dinfo->ring.size - RING_MIN_FREE; 15751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1577689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic void refresh_ring(struct intelfb_info *dinfo) 15781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 15801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("refresh_ring\n"); 15811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15830fe6e2d2928e089d16ec5ed7ba634c1d60916020Al Viro dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK; 15841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_tail = INREG(PRI_RING_TAIL) & RING_TAIL_MASK; 158571c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen dinfo->ring_space = get_ring_space(dinfo); 15861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1588689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasastatic void reset_state(struct intelfb_info *dinfo) 15891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 15911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 15921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 15941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("reset_state\n"); 15951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < FENCE_NUM; i++) 15981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(FENCE + (i << 2), 0); 15991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush the ring buffer if it's enabled. */ 16011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(PRI_RING_LENGTH); 16021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp & RING_ENABLE) { 16031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 16041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("reset_state: ring was enabled\n"); 16051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 16061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds refresh_ring(dinfo); 16071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds intelfbhw_do_sync(dinfo); 16081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DO_RING_IDLE(); 16091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_LENGTH, 0); 16121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_HEAD, 0); 16131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_TAIL, 0); 16141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_START, 0); 16151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Stop the 2D engine, and turn off the ring buffer. */ 1618689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_2d_stop(struct intelfb_info *dinfo) 16191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 1621689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa DBG_MSG("intelfbhw_2d_stop: accel: %d, ring_active: %d\n", 1622689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa dinfo->accel, dinfo->ring_active); 16231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 16241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->accel) 16261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 16271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_active = 0; 16291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reset_state(dinfo); 16301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 16331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Enable the ring buffer, and initialise the 2D engine. 16341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * It is assumed that the graphics engine has been stopped by previously 16351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * calling intelfb_2d_stop(). 16361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1637689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_2d_start(struct intelfb_info *dinfo) 16381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 16401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_2d_start: accel: %d, ring_active: %d\n", 16411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->accel, dinfo->ring_active); 16421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 16431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->accel) 16451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 16461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Initialise the primary ring buffer. */ 16481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_LENGTH, 0); 16491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_TAIL, 0); 16501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_HEAD, 0); 16511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_START, dinfo->ring.physical & RING_START_MASK); 16531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_LENGTH, 16541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((dinfo->ring.size - GTT_PAGE_SIZE) & RING_LENGTH_MASK) | 16551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RING_NO_REPORT | RING_ENABLE); 16561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds refresh_ring(dinfo); 16571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_active = 1; 16581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2D fillrect (solid fill or invert) */ 1661689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_do_fillrect(struct intelfb_info *dinfo, u32 x, u32 y, u32 w, 1662689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa u32 h, u32 color, u32 pitch, u32 bpp, u32 rop) 16631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 br00, br09, br13, br14, br16; 16651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 16671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_fillrect: (%d,%d) %dx%d, c 0x%06x, p %d bpp %d, " 16681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "rop 0x%02x\n", x, y, w, h, color, pitch, bpp, rop); 16691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 16701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 = COLOR_BLT_CMD; 16721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br09 = dinfo->fb_start + (y * pitch + x * (bpp / 8)); 16731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 = (rop << ROP_SHIFT) | pitch; 16741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br14 = (h << HEIGHT_SHIFT) | ((w * (bpp / 8)) << WIDTH_SHIFT); 16751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br16 = color; 16761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (bpp) { 16781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 16791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_8; 16801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 16811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 16821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_16; 16831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 16841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 32: 16851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_32; 16861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 |= WRITE_ALPHA | WRITE_RGB; 16871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 16881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(6); 16911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br00); 16921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br13); 16931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br14); 16941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br09); 16951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br16); 16961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_NOOP); 16971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 16981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 17001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("ring = 0x%08x, 0x%08x (%d)\n", dinfo->ring_head, 17011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_tail, dinfo->ring_space); 17021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 17031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 17041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 17061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_do_bitblt(struct intelfb_info *dinfo, u32 curx, u32 cury, 17071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 dstx, u32 dsty, u32 w, u32 h, u32 pitch, u32 bpp) 17081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 17091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 br00, br09, br11, br12, br13, br22, br23, br26; 17101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 17121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_bitblt: (%d,%d)->(%d,%d) %dx%d, p %d bpp %d\n", 17131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds curx, cury, dstx, dsty, w, h, pitch, bpp); 17141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 17151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 = XY_SRC_COPY_BLT_CMD; 17171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br09 = dinfo->fb_start; 17181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br11 = (pitch << PITCH_SHIFT); 17191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br12 = dinfo->fb_start; 17201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 = (SRC_ROP_GXCOPY << ROP_SHIFT) | (pitch << PITCH_SHIFT); 17211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br22 = (dstx << WIDTH_SHIFT) | (dsty << HEIGHT_SHIFT); 17221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br23 = ((dstx + w) << WIDTH_SHIFT) | 17231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((dsty + h) << HEIGHT_SHIFT); 17241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br26 = (curx << WIDTH_SHIFT) | (cury << HEIGHT_SHIFT); 17251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (bpp) { 17271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 17281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_8; 17291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 17301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 17311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_16; 17321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 17331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 32: 17341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_32; 17351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 |= WRITE_ALPHA | WRITE_RGB; 17361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 17371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(8); 17401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br00); 17411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br13); 17421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br22); 17431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br23); 17441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br09); 17451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br26); 17461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br11); 17471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br12); 17481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 17491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 17501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1751689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_do_drawglyph(struct intelfb_info *dinfo, u32 fg, u32 bg, u32 w, 1752689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa u32 h, const u8* cdat, u32 x, u32 y, u32 pitch, 1753689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa u32 bpp) 17541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 17551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int nbytes, ndwords, pad, tmp; 17561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 br00, br09, br13, br18, br19, br22, br23; 17571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int dat, ix, iy, iw; 17581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j; 17591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 17611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_drawglyph: (%d,%d) %dx%d\n", x, y, w, h); 17621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 17631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* size in bytes of a padded scanline */ 17651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds nbytes = ROUND_UP_TO(w, 16) / 8; 17661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Total bytes of padded scanline data to write out. */ 17681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds nbytes = nbytes * h; 17691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 17711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Check if the glyph data exceeds the immediate mode limit. 17721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * It would take a large font (1K pixels) to hit this limit. 17731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 17741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (nbytes > MAX_MONO_IMM_SIZE) 17751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 17761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Src data is packaged a dword (32-bit) at a time. */ 17781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ndwords = ROUND_UP_TO(nbytes, 4) / 4; 17791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 17811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Ring has to be padded to a quad word. But because the command starts 17821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds with 7 bytes, pad only if there is an even number of ndwords 17831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 17841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pad = !(ndwords % 2); 17851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = (XY_MONO_SRC_IMM_BLT_CMD & DW_LENGTH_MASK) + ndwords; 17871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 = (XY_MONO_SRC_IMM_BLT_CMD & ~DW_LENGTH_MASK) | tmp; 17881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br09 = dinfo->fb_start; 17891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 = (SRC_ROP_GXCOPY << ROP_SHIFT) | (pitch << PITCH_SHIFT); 17901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br18 = bg; 17911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br19 = fg; 17921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br22 = (x << WIDTH_SHIFT) | (y << HEIGHT_SHIFT); 17931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br23 = ((x + w) << WIDTH_SHIFT) | ((y + h) << HEIGHT_SHIFT); 17941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (bpp) { 17961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 17971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_8; 17981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 17991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 18001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_16; 18011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 18021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 32: 18031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_32; 18041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 |= WRITE_ALPHA | WRITE_RGB; 18051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 18061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(8 + ndwords); 18091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br00); 18101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br13); 18111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br22); 18121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br23); 18131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br09); 18141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br18); 18151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br19); 18161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ix = iy = 0; 18171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iw = ROUND_UP_TO(w, 8) / 8; 18181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (ndwords--) { 18191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dat = 0; 18201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < 2; ++j) { 18211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; ++i) { 18221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ix != iw || i == 0) 18231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dat |= cdat[iy*iw + ix++] << (i+j*2)*8; 18241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ix == iw && iy != (h-1)) { 18261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ix = 0; 18271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ++iy; 18281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(dat); 18311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (pad) 18331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_NOOP); 18341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 18351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 18371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 18381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* HW cursor functions. */ 1840689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_cursor_init(struct intelfb_info *dinfo) 18411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 18431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 18451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_init\n"); 18461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 18471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18483aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (dinfo->mobile || IS_I9XX(dinfo)) { 18491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.physical) 18501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 18511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_A_CONTROL); 18521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~(CURSOR_MODE_MASK | CURSOR_MOBILE_GAMMA_ENABLE | 18531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CURSOR_MEM_TYPE_LOCAL | 18541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (1 << CURSOR_PIPE_SELECT_SHIFT)); 18551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_MODE_DISABLE; 18561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_CONTROL, tmp); 18571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); 18581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 18591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_CONTROL); 18601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~(CURSOR_FORMAT_MASK | CURSOR_GAMMA_ENABLE | 18611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CURSOR_ENABLE | CURSOR_STRIDE_MASK); 18621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = CURSOR_FORMAT_3C; 18631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_CONTROL, tmp); 18641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.offset << 12); 18651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = (64 << CURSOR_SIZE_H_SHIFT) | 18661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (64 << CURSOR_SIZE_V_SHIFT); 18671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_SIZE, tmp); 18681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 18701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1871689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_cursor_hide(struct intelfb_info *dinfo) 18721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 18741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 18761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_hide\n"); 18771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 18781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_on = 0; 18803aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (dinfo->mobile || IS_I9XX(dinfo)) { 18811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.physical) 18821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 18831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_A_CONTROL); 18841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~CURSOR_MODE_MASK; 18851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_MODE_DISABLE; 18861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_CONTROL, tmp); 18871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush changes */ 18881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); 18891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 18901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_CONTROL); 18911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~CURSOR_ENABLE; 18921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_CONTROL, tmp); 18931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 18951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1896689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_cursor_show(struct intelfb_info *dinfo) 18971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 18991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 19011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_show\n"); 19021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 19031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_on = 1; 19051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->cursor_blanked) 19071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 19081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19093aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (dinfo->mobile || IS_I9XX(dinfo)) { 19101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.physical) 19111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 19121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_A_CONTROL); 19131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~CURSOR_MODE_MASK; 19141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_MODE_64_4C_AX; 19151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_CONTROL, tmp); 19161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush changes */ 19171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); 19181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 19191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_CONTROL); 19201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_ENABLE; 19211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_CONTROL, tmp); 19221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1925689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_cursor_setpos(struct intelfb_info *dinfo, int x, int y) 19261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 19271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 19281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 19301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_setpos: (%d, %d)\n", x, y); 19311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 19321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 19343aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie * Sets the position. The coordinates are assumed to already 19353aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie * have any offset adjusted. Assume that the cursor is never 19361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * completely off-screen, and that x, y are always >= 0. 19371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 19381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT) | 19401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT); 19411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_POSITION, tmp); 19428bb91f6a2d1db8031bfbb367df075f041d0cdfe2Dave Airlie 1943689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa if (IS_I9XX(dinfo)) 19448bb91f6a2d1db8031bfbb367df075f041d0cdfe2Dave Airlie OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); 19451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1947689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_cursor_setcolor(struct intelfb_info *dinfo, u32 bg, u32 fg) 19481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 19491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 19501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_setcolor\n"); 19511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 19521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE0, bg & CURSOR_PALETTE_MASK); 19541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE1, fg & CURSOR_PALETTE_MASK); 19551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE2, fg & CURSOR_PALETTE_MASK); 19561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE3, bg & CURSOR_PALETTE_MASK); 19571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1959689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_cursor_load(struct intelfb_info *dinfo, int width, int height, 1960689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa u8 *data) 19611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 19621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 __iomem *addr = (u8 __iomem *)dinfo->cursor.virtual; 19631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j, w = width / 8; 19641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int mod = width % 8, t_mask, d_mask; 19651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 19671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_load\n"); 19681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 19691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.virtual) 19711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 19721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t_mask = 0xff >> mod; 19741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds d_mask = ~(0xff >> mod); 19751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = height; i--; ) { 19761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < w; j++) { 19771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0x00, addr + j); 19781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(*(data++), addr + j+8); 19791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (mod) { 19811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(t_mask, addr + j); 19821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(*(data++) & d_mask, addr + j+8); 19831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr += 16; 19851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1988689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasavoid intelfbhw_cursor_reset(struct intelfb_info *dinfo) 1989689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa{ 19901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 __iomem *addr = (u8 __iomem *)dinfo->cursor.virtual; 19911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j; 19921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 19941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_reset\n"); 19951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 19961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.virtual) 19981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 19991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 20001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 64; i--; ) { 20011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < 8; j++) { 20021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0xff, addr + j+0); 20031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0x00, addr + j+8); 20041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 20051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr += 16; 20061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 20071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 20087649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 2009394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasastatic irqreturn_t intelfbhw_irq(int irq, void *dev_id) 2010394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa{ 20117649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt u16 tmp; 201215aafa2f9d8399b22e418c53a87dfc0c43f4030fJeff Garzik struct intelfb_info *dinfo = dev_id; 20137649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 20147649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_lock(&dinfo->int_lock); 20157649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 20167649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt tmp = INREG16(IIR); 2017394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa if (dinfo->info->var.vmode & FB_VMODE_INTERLACED) 2018394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa tmp &= PIPE_A_EVENT_INTERRUPT; 2019394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa else 2020394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa tmp &= VSYNC_PIPE_A_INTERRUPT; /* non-interlaced */ 20217649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 20227649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt if (tmp == 0) { 20237649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_unlock(&dinfo->int_lock); 2024394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa return IRQ_RETVAL(0); /* not us */ 20257649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 20267649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 2027394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa /* clear status bits 0-15 ASAP and don't touch bits 16-31 */ 2028394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG(PIPEASTAT, INREG(PIPEASTAT)); 20297649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 2030394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG16(IIR, tmp); 2031394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa if (dinfo->vsync.pan_display) { 2032394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa dinfo->vsync.pan_display = 0; 2033394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG(DSPABASE, dinfo->vsync.pan_offset); 20347649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 20357649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 2036394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa dinfo->vsync.count++; 2037394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa wake_up_interruptible(&dinfo->vsync.wait); 2038394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa 20397649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_unlock(&dinfo->int_lock); 20407649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 2041394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa return IRQ_RETVAL(1); 20427649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt} 20437649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 2044394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasaint intelfbhw_enable_irq(struct intelfb_info *dinfo) 2045394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa{ 2046394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa u16 tmp; 20477649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt if (!test_and_set_bit(0, &dinfo->irq_flags)) { 204838515e908ba3a9c467ad3bf347b9bce69216df94Thomas Gleixner if (request_irq(dinfo->pdev->irq, intelfbhw_irq, IRQF_SHARED, 2049394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa "intelfb", dinfo)) { 20507649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt clear_bit(0, &dinfo->irq_flags); 20517649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt return -EINVAL; 20527649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 20537649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 20547649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_lock_irq(&dinfo->int_lock); 2055394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG16(HWSTAM, 0xfffe); /* i830 DRM uses ffff */ 2056394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG16(IMR, 0); 2057394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa } else 20587649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_lock_irq(&dinfo->int_lock); 2059394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa 2060394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa if (dinfo->info->var.vmode & FB_VMODE_INTERLACED) 2061394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa tmp = PIPE_A_EVENT_INTERRUPT; 2062394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa else 2063394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa tmp = VSYNC_PIPE_A_INTERRUPT; /* non-interlaced */ 2064394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa if (tmp != INREG16(IER)) { 2065394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa DBG_MSG("changing IER to 0x%X\n", tmp); 2066394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa OUTREG16(IER, tmp); 20677649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 2068394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa 2069394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa spin_unlock_irq(&dinfo->int_lock); 20707649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt return 0; 20717649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt} 20727649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 2073394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasavoid intelfbhw_disable_irq(struct intelfb_info *dinfo) 2074394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa{ 20757649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt if (test_and_clear_bit(0, &dinfo->irq_flags)) { 2076f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt if (dinfo->vsync.pan_display) { 2077f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt dinfo->vsync.pan_display = 0; 2078f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt OUTREG(DSPABASE, dinfo->vsync.pan_offset); 2079f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt } 20807649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_lock_irq(&dinfo->int_lock); 20817649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt OUTREG16(HWSTAM, 0xffff); 20827649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt OUTREG16(IMR, 0xffff); 20837649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt OUTREG16(IER, 0x0); 20847649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 2085ee5618f4937dcbff15e504663d81a7adb3d849bfKrzysztof Halasa OUTREG16(IIR, INREG16(IIR)); /* clear IRQ requests */ 20867649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_unlock_irq(&dinfo->int_lock); 20877649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 20887649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt free_irq(dinfo->pdev->irq, dinfo); 20897649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 20907649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt} 209137bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt 2092689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasaint intelfbhw_wait_for_vsync(struct intelfb_info *dinfo, u32 pipe) 2093689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa{ 209437bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt struct intelfb_vsync *vsync; 209537bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt unsigned int count; 209637bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt int ret; 209737bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt 209837bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt switch (pipe) { 209937bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt case 0: 210037bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt vsync = &dinfo->vsync; 210137bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt break; 210237bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt default: 210337bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt return -ENODEV; 210437bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt } 210537bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt 2106394d3af7ba9e67d630c1c6d2ac1d9c11b318b73eKrzysztof Halasa ret = intelfbhw_enable_irq(dinfo); 2107689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa if (ret) 210837bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt return ret; 210937bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt 211037bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt count = vsync->count; 2111689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa ret = wait_event_interruptible_timeout(vsync->wait, 2112689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa count != vsync->count, HZ / 10); 2113689c9568f54747c13f287ae53956281e7cd810faKrzysztof Halasa if (ret < 0) 211437bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt return ret; 211537bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt if (ret == 0) { 211637bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt DBG_MSG("wait_for_vsync timed out!\n"); 211737bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt return -ETIMEDOUT; 211837bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt } 211937bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt 212037bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt return 0; 212137bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt} 2122