intelfbhw.c revision 8c8bd037e5bd7bbc3c82b74cbed4da1ddc3fe8de
11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * intelfb 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Linux framebuffer driver for Intel(R) 865G integrated graphics chips. 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright � 2002, 2003 David Dawes <dawes@xfree86.org> 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2004 Sylvain Meyer 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This driver consists of two parts. The first part (intelfbdrv.c) provides 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the basic fbdev interfaces, is derived in part from the radeonfb and 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * vesafb drivers, and is covered by the GPL. The second part (intelfbhw.c) 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * provides the code to program the hardware. Most of it is derived from 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the i810/i830 XFree86 driver. The HW-specific code is covered here 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * under a dual license (GPL and MIT/XFree86 license). 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Author: David Dawes 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* $DHD: intelfb/intelfbhw.c,v 1.9 2003/06/27 15:06:25 dawes Exp $ */ 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/kernel.h> 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/errno.h> 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/string.h> 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/mm.h> 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/slab.h> 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/delay.h> 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/fb.h> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioport.h> 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pci.h> 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/vmalloc.h> 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/pagemap.h> 357649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt#include <linux/interrupt.h> 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/io.h> 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "intelfb.h" 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "intelfbhw.h" 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 427258b11d2e9a47d2b01620622579f22906960e1aDave Airliestruct pll_min_max { 4351d797474f87b375819d084f7583a2864c5656c4Dave Airlie int min_m, max_m, min_m1, max_m1; 4451d797474f87b375819d084f7583a2864c5656c4Dave Airlie int min_m2, max_m2, min_n, max_n; 4551d797474f87b375819d084f7583a2864c5656c4Dave Airlie int min_p, max_p, min_p1, max_p1; 4651d797474f87b375819d084f7583a2864c5656c4Dave Airlie int min_vco, max_vco, p_transition_clk, ref_clk; 4716109b3f4c1f2635afd32eb6d49348590de2cb25Dave Airlie int p_inc_lo, p_inc_hi; 487258b11d2e9a47d2b01620622579f22906960e1aDave Airlie}; 497258b11d2e9a47d2b01620622579f22906960e1aDave Airlie 507258b11d2e9a47d2b01620622579f22906960e1aDave Airlie#define PLLS_I8xx 0 517258b11d2e9a47d2b01620622579f22906960e1aDave Airlie#define PLLS_I9xx 1 527258b11d2e9a47d2b01620622579f22906960e1aDave Airlie#define PLLS_MAX 2 537258b11d2e9a47d2b01620622579f22906960e1aDave Airlie 5446f60b8e67e6fceede851dc69cdee2d7c0de27b9Dave Airliestatic struct pll_min_max plls[PLLS_MAX] = { 5551d797474f87b375819d084f7583a2864c5656c4Dave Airlie { 108, 140, 18, 26, 5651d797474f87b375819d084f7583a2864c5656c4Dave Airlie 6, 16, 3, 16, 5751d797474f87b375819d084f7583a2864c5656c4Dave Airlie 4, 128, 0, 31, 5851d797474f87b375819d084f7583a2864c5656c4Dave Airlie 930000, 1400000, 165000, 48000, 5951d797474f87b375819d084f7583a2864c5656c4Dave Airlie 4, 2 }, //I8xx 6051d797474f87b375819d084f7583a2864c5656c4Dave Airlie 6151d797474f87b375819d084f7583a2864c5656c4Dave Airlie { 75, 120, 10, 20, 6251d797474f87b375819d084f7583a2864c5656c4Dave Airlie 5, 9, 4, 7, 6351d797474f87b375819d084f7583a2864c5656c4Dave Airlie 5, 80, 1, 8, 6451d797474f87b375819d084f7583a2864c5656c4Dave Airlie 1400000, 2800000, 200000, 96000, 6551d797474f87b375819d084f7583a2864c5656c4Dave Airlie 10, 5 } //I9xx 667258b11d2e9a47d2b01620622579f22906960e1aDave Airlie}; 677258b11d2e9a47d2b01620622579f22906960e1aDave Airlie 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 69d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlieintelfbhw_get_chipset(struct pci_dev *pdev, struct intelfb_info *dinfo) 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 72d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie if (!pdev || !dinfo) 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (pdev->device) { 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_830M: 77d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 830M"; 78d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_830M; 79d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 1; 80d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I8xx; 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_845G: 83d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 845G"; 84d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_845G; 85d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 0; 86d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I8xx; 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_85XGM: 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = 0; 90d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 1; 91d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I8xx; 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_read_config_dword(pdev, INTEL_85X_CAPID, &tmp); 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch ((tmp >> INTEL_85X_VARIANT_SHIFT) & 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds INTEL_85X_VARIANT_MASK) { 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_855GME: 96d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 855GME"; 97d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_855GME; 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_855GM: 100d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 855GM"; 101d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_855GM; 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_852GME: 104d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 852GME"; 105d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_852GME; 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_VAR_852GM: 108d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 852GM"; 109d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_852GM; 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 112d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 852GM/855GM"; 113d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_85XGM; 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_865G: 118d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 865G"; 119d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_865G; 120d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 0; 121d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I8xx; 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case PCI_DEVICE_ID_INTEL_915G: 124d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 915G"; 125d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_915G; 126d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 0; 127d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I9xx; 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 1293a59026ba111d85b1a86af0f1c4e5a8ef1242d82Scott MacKenzie case PCI_DEVICE_ID_INTEL_915GM: 130d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->name = "Intel(R) 915GM"; 131d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->chipset = INTEL_915GM; 132d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->mobile = 1; 133d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie dinfo->pll_index = PLLS_I9xx; 1343a59026ba111d85b1a86af0f1c4e5a8ef1242d82Scott MacKenzie return 0; 1359639d5ec07a490134f05ac890506a367aaf8663bDave Airlie case PCI_DEVICE_ID_INTEL_945G: 1369639d5ec07a490134f05ac890506a367aaf8663bDave Airlie dinfo->name = "Intel(R) 945G"; 1379639d5ec07a490134f05ac890506a367aaf8663bDave Airlie dinfo->chipset = INTEL_945G; 1389639d5ec07a490134f05ac890506a367aaf8663bDave Airlie dinfo->mobile = 0; 1399639d5ec07a490134f05ac890506a367aaf8663bDave Airlie dinfo->pll_index = PLLS_I9xx; 1409639d5ec07a490134f05ac890506a367aaf8663bDave Airlie return 0; 1419a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie case PCI_DEVICE_ID_INTEL_945GM: 1429a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie dinfo->name = "Intel(R) 945GM"; 1439a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie dinfo->chipset = INTEL_945GM; 1449a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie dinfo->mobile = 1; 1459a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie dinfo->pll_index = PLLS_I9xx; 1469a90603f65dd5046ddcd586158abcad7784892b6Dave Airlie return 0; 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_get_memory(struct pci_dev *pdev, int *aperture_size, 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int *stolen_size) 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct pci_dev *bridge_dev; 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u16 tmp; 1581aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt int stolen_overhead; 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!pdev || !aperture_size || !stolen_size) 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Find the bridge device. It is always 0:0.0 */ 164a77b8950019289611f836c8fc19f91592822efcdAlan Cox if (!(bridge_dev = pci_get_bus_and_slot(0, PCI_DEVFN(0, 0)))) { 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("cannot find bridge device\n"); 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Get the fb aperture size and "stolen" memory amount. */ 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = 0; 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pci_read_config_word(bridge_dev, INTEL_GMCH_CTRL, &tmp); 172a77b8950019289611f836c8fc19f91592822efcdAlan Cox pci_dev_put(bridge_dev); 173a77b8950019289611f836c8fc19f91592822efcdAlan Cox 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (pdev->device) { 1751aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_915G: 1761aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_915GM: 1771aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_945G: 1781aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_945GM: 1791aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt /* 915 and 945 chipsets support a 256MB aperture. 1801aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt Aperture size is determined by inspected the 1811aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt base address of the aperture. */ 1821aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt if (pci_resource_start(pdev, 2) & 0x08000000) 1831aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *aperture_size = MB(128); 1841aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt else 1851aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *aperture_size = MB(256); 1861aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt break; 1871aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt default: 1881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((tmp & INTEL_GMCH_MEM_MASK) == INTEL_GMCH_MEM_64M) 1891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *aperture_size = MB(64); 1901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 1911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *aperture_size = MB(128); 1921aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt break; 1931aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt } 1941aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt 1951aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt /* Stolen memory size is reduced by the GTT and the popup. 1961aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt GTT is 1K per MB of aperture size, and popup is 4K. */ 1971aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt stolen_overhead = (*aperture_size / MB(1)) + 4; 1981aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt switch(pdev->device) { 1991aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_830M: 2001aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt case PCI_DEVICE_ID_INTEL_845G: 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (tmp & INTEL_830_GMCH_GMS_MASK) { 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_STOLEN_512: 2031aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = KB(512) - KB(stolen_overhead); 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_STOLEN_1024: 2061aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(1) - KB(stolen_overhead); 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_STOLEN_8192: 2091aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(8) - KB(stolen_overhead); 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_LOCAL: 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("only local memory found\n"); 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_830_GMCH_GMS_DISABLED: 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("video memory is disabled\n"); 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("unexpected GMCH_GMS value: 0x%02x\n", 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp & INTEL_830_GMCH_GMS_MASK); 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (tmp & INTEL_855_GMCH_GMS_MASK) { 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_1M: 2261aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(1) - KB(stolen_overhead); 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_4M: 2291aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(4) - KB(stolen_overhead); 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_8M: 2321aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(8) - KB(stolen_overhead); 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_16M: 2351aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(16) - KB(stolen_overhead); 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_STOLEN_32M: 2381aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(32) - KB(stolen_overhead); 2391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_915G_GMCH_GMS_STOLEN_48M: 2411aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(48) - KB(stolen_overhead); 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_915G_GMCH_GMS_STOLEN_64M: 2441aecb393091d3c0787f92445420d96ef58c9782aEric Hustvedt *stolen_size = MB(64) - KB(stolen_overhead); 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case INTEL_855_GMCH_GMS_DISABLED: 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("video memory is disabled\n"); 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ERR_MSG("unexpected GMCH_GMS value: 0x%02x\n", 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp & INTEL_855_GMCH_GMS_MASK); 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_check_non_crt(struct intelfb_info *dinfo) 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int dvo = 0; 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(LVDS) & PORT_ENABLE) 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= LVDS_PORT; 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(DVOA) & PORT_ENABLE) 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= DVOA_PORT; 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(DVOB) & PORT_ENABLE) 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= DVOB_PORT; 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (INREG(DVOC) & PORT_ENABLE) 2691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dvo |= DVOC_PORT; 2701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return dvo; 2721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsconst char * 2751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_dvo_to_string(int dvo) 2761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dvo & DVOA_PORT) 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "DVO port A"; 2791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (dvo & DVOB_PORT) 2801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "DVO port B"; 2811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (dvo & DVOC_PORT) 2821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "DVO port C"; 2831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (dvo & LVDS_PORT) 2841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return "LVDS port"; 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return NULL; 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 2911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_validate_mode(struct intelfb_info *dinfo, 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fb_var_screeninfo *var) 2931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int bytes_per_pixel; 2951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int tmp; 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_validate_mode\n"); 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bytes_per_pixel = var->bits_per_pixel / 8; 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (bytes_per_pixel == 3) 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds bytes_per_pixel = 4; 3041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check if enough video memory. */ 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = var->yres_virtual * var->xres_virtual * bytes_per_pixel; 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp > dinfo->fb.size) { 3081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Not enough video ram for mode " 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "(%d KByte vs %d KByte).\n", 3101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds BtoKB(tmp), BtoKB(dinfo->fb.size)); 3111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check if x/y limits are OK. */ 3151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (var->xres - 1 > HACTIVE_MASK) { 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("X resolution too large (%d vs %d).\n", 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds var->xres, HACTIVE_MASK + 1); 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (var->yres - 1 > VACTIVE_MASK) { 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Y resolution too large (%d vs %d).\n", 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds var->yres, VACTIVE_MASK + 1); 3231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check for interlaced/doublescan modes. */ 3271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (var->vmode & FB_VMODE_INTERLACED) { 3281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Mode is interlaced.\n"); 3291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (var->vmode & FB_VMODE_DOUBLE) { 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Mode is double-scan.\n"); 3331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check if clock is OK. */ 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = 1000000000 / var->pixclock; 3381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp < MIN_CLOCK) { 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Pixel clock is too low (%d MHz vs %d MHz).\n", 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (tmp + 500) / 1000, MIN_CLOCK / 1000); 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp > MAX_CLOCK) { 3441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("Pixel clock is too high (%d MHz vs %d MHz).\n", 3451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (tmp + 500) / 1000, MAX_CLOCK / 1000); 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 3531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_pan_display(struct fb_var_screeninfo *var, struct fb_info *info) 3541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct intelfb_info *dinfo = GET_DINFO(info); 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 offset, xoffset, yoffset; 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_pan_display\n"); 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds xoffset = ROUND_DOWN_TO(var->xoffset, 8); 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds yoffset = var->yoffset; 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((xoffset + var->xres > var->xres_virtual) || 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (yoffset + var->yres > var->yres_virtual)) 3671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -EINVAL; 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds offset = (yoffset * dinfo->pitch) + 3701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (xoffset * var->bits_per_pixel) / 8; 3711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds offset += dinfo->fb.offset << 12; 3731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 374f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt dinfo->vsync.pan_offset = offset; 375f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt if ((var->activate & FB_ACTIVATE_VBL) && !intelfbhw_enable_irq(dinfo, 0)) { 376f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt dinfo->vsync.pan_display = 1; 377f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt } else { 378f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt dinfo->vsync.pan_display = 0; 379f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt OUTREG(DSPABASE, offset); 380f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt } 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Blank the screen. */ 3861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 3871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_do_blank(int blank, struct fb_info *info) 3881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct intelfb_info *dinfo = GET_DINFO(info); 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 3931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_blank: blank is %d\n", blank); 3941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Turn plane A on or off */ 3971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 3981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (blank) 3991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~DISPPLANE_PLANE_ENABLE; 4001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 4011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= DISPPLANE_PLANE_ENABLE; 4021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 4031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush */ 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPABASE); 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPABASE, tmp); 4061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Turn off/on the HW cursor */ 4081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 4091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("cursor_on is %d\n", dinfo->cursor_on); 4101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->cursor_on) { 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (blank) { 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds intelfbhw_cursor_hide(dinfo); 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 4151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds intelfbhw_cursor_show(dinfo); 4161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_on = 1; 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_blanked = blank; 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set DPMS level */ 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(ADPA) & ~ADPA_DPMS_CONTROL_MASK; 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (blank) { 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_UNBLANK: 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_NORMAL: 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D0; 4271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_VSYNC_SUSPEND: 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D1; 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_HSYNC_SUSPEND: 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D2; 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case FB_BLANK_POWERDOWN: 4351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D3; 4361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 4371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, tmp); 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 4411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 4451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_setcolreg(struct intelfb_info *dinfo, unsigned regno, 4461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned red, unsigned green, unsigned blue, 4471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned transp) 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 4501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_setcolreg: %d: (%d, %d, %d)\n", 4511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds regno, red, green, blue); 4521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 palette_reg = (dinfo->pipe == PIPE_A) ? 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds PALETTE_A : PALETTE_B; 4561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(palette_reg + (regno << 2), 4581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (red << PALETTE_8_RED_SHIFT) | 4591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (green << PALETTE_8_GREEN_SHIFT) | 4601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (blue << PALETTE_8_BLUE_SHIFT)); 4611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 4651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_read_hw_state(struct intelfb_info *dinfo, struct intelfb_hwstate *hw, 4661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int flag) 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_read_hw_state\n"); 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!hw || !dinfo) 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -1; 4761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Read in as much of the HW state as possible. */ 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vga0_divisor = INREG(VGA0_DIVISOR); 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vga1_divisor = INREG(VGA1_DIVISOR); 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vga_pd = INREG(VGAPD); 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dpll_a = INREG(DPLL_A); 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dpll_b = INREG(DPLL_B); 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpa0 = INREG(FPA0); 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpa1 = INREG(FPA1); 4851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpb0 = INREG(FPB0); 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fpb1 = INREG(FPB1); 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 1) 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* This seems to be a problem with the 852GM/855GM */ 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < PALETTE_8_ENTRIES; i++) { 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->palette_a[i] = INREG(PALETTE_A + (i << 2)); 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->palette_b[i] = INREG(PALETTE_B + (i << 2)); 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 2) 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->htotal_a = INREG(HTOTAL_A); 5031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hblank_a = INREG(HBLANK_A); 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hsync_a = INREG(HSYNC_A); 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vtotal_a = INREG(VTOTAL_A); 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vblank_a = INREG(VBLANK_A); 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vsync_a = INREG(VSYNC_A); 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->src_size_a = INREG(SRC_SIZE_A); 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->bclrpat_a = INREG(BCLRPAT_A); 5101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->htotal_b = INREG(HTOTAL_B); 5111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hblank_b = INREG(HBLANK_B); 5121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->hsync_b = INREG(HSYNC_B); 5131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vtotal_b = INREG(VTOTAL_B); 5141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vblank_b = INREG(VBLANK_B); 5151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vsync_b = INREG(VSYNC_B); 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->src_size_b = INREG(SRC_SIZE_B); 5171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->bclrpat_b = INREG(BCLRPAT_B); 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 3) 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa = INREG(ADPA); 5231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoa = INREG(DVOA); 5241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvob = INREG(DVOB); 5251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoc = INREG(DVOC); 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoa_srcdim = INREG(DVOA_SRCDIM); 5271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvob_srcdim = INREG(DVOB_SRCDIM); 5281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoc_srcdim = INREG(DVOC_SRCDIM); 5291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->lvds = INREG(LVDS); 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 4) 5321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->pipe_a_conf = INREG(PIPEACONF); 5351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->pipe_b_conf = INREG(PIPEBCONF); 5361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_arb = INREG(DISPARB); 5371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 5) 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_a_control = INREG(CURSOR_A_CONTROL); 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_b_control = INREG(CURSOR_B_CONTROL); 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_a_base = INREG(CURSOR_A_BASEADDR); 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_b_base = INREG(CURSOR_B_BASEADDR); 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 6) 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 4; i++) { 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_a_palette[i] = INREG(CURSOR_A_PALETTE0 + (i << 2)); 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_b_palette[i] = INREG(CURSOR_B_PALETTE0 + (i << 2)); 5521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 7) 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->cursor_size = INREG(CURSOR_SIZE); 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 8) 5601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl = INREG(DSPACNTR); 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_b_ctrl = INREG(DSPBCNTR); 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_base = INREG(DSPABASE); 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_b_base = INREG(DSPBBASE); 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_stride = INREG(DSPASTRIDE); 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_b_stride = INREG(DSPBSTRIDE); 5681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 9) 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vgacntrl = INREG(VGACNTRL); 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 10) 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->add_id = INREG(ADD_ID); 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (flag == 11) 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return flag; 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 7; i++) { 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf0x[i] = INREG(SWF00 + (i << 2)); 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf1x[i] = INREG(SWF10 + (i << 2)); 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < 3) 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf3x[i] = INREG(SWF30 + (i << 2)); 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 8; i++) 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fence[i] = INREG(FENCE + (i << 2)); 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->instpm = INREG(INSTPM); 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->mem_mode = INREG(MEM_MODE); 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fw_blc_0 = INREG(FW_BLC_0); 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->fw_blc_1 = INREG(FW_BLC_1); 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5979a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt hw->hwstam = INREG16(HWSTAM); 5989a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt hw->ier = INREG16(IER); 5999a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt hw->iir = INREG16(IIR); 6009a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt hw->imr = INREG16(IMR); 6019a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 606d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airliestatic int calc_vclock3(int index, int m, int n, int p) 607d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie{ 6087679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie if (p == 0 || n == 0) 6097679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie return 0; 6103aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie return plls[index].ref_clk * m / n / p; 611d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie} 6128b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie 6133aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airliestatic int calc_vclock(int index, int m1, int m2, int n, int p1, int p2, int lvds) 614d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie{ 615c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie struct pll_min_max *pll = &plls[index]; 616c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie u32 m, vco, p; 617c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie 618c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie m = (5 * (m1 + 2)) + (m2 + 2); 619c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie n += 2; 620c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie vco = pll->ref_clk * m / n; 621c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie 622c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie if (index == PLLS_I8xx) { 623c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p = ((p1 + 2) * (1 << (p2 + 1))); 624c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie } else { 625c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p = ((p1) * (p2 ? 5 : 10)); 626d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie } 627c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie return vco / p; 628d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie} 629d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie 6304dc3595f5c569021b1bd0109502acfca82036902Parag Warudkar#if REGDUMP 6312abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airliestatic void 6322abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlieintelfbhw_get_p1p2(struct intelfb_info *dinfo, int dpll, int *o_p1, int *o_p2) 6332abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie{ 6342abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie int p1, p2; 6352abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 6362abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie if (IS_I9XX(dinfo)) { 6372abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie if (dpll & DPLL_P1_FORCE_DIV2) 6382abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p1 = 1; 6392abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie else 6402abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p1 = (dpll >> DPLL_P1_SHIFT) & 0xff; 6412abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 6422abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p1 = ffs(p1); 6432abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 6442abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p2 = (dpll >> DPLL_I9XX_P2_SHIFT) & DPLL_P2_MASK; 6452abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie } else { 6462abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie if (dpll & DPLL_P1_FORCE_DIV2) 6472abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p1 = 0; 6482abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie else 6492abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p1 = (dpll >> DPLL_P1_SHIFT) & DPLL_P1_MASK; 6502abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie p2 = (dpll >> DPLL_P2_SHIFT) & DPLL_P2_MASK; 6512abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie } 6522abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 6532abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie *o_p1 = p1; 6542abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie *o_p2 = p2; 6552abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie} 6564dc3595f5c569021b1bd0109502acfca82036902Parag Warudkar#endif 6572abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 6582abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_print_hw_state(struct intelfb_info *dinfo, struct intelfb_hwstate *hw) 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if REGDUMP 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, m1, m2, n, p1, p2; 664d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie int index = dinfo->pll_index; 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_print_hw_state\n"); 6663aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 667f84fcb06a1f7ab4ac0444ece82b25b0701369641Eric Sesterhenn if (!hw) 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Read in as much of the HW state as possible. */ 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("hw state dump start\n"); 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA0_DIVISOR: 0x%08x\n", hw->vga0_divisor); 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA1_DIVISOR: 0x%08x\n", hw->vga1_divisor); 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGAPD: 0x%08x\n", hw->vga_pd); 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->vga0_divisor >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->vga0_divisor >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->vga0_divisor >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 6773aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 6782abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie intelfbhw_get_p1p2(dinfo, hw->vga_pd, &p1, &p2); 6793aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA0: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 681d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie m1, m2, n, p1, p2); 6828b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie printk(" VGA0: clock is %d\n", 6833aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie calc_vclock(index, m1, m2, n, p1, p2, 0)); 6843aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 6851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->vga1_divisor >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 6861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->vga1_divisor >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 6871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->vga1_divisor >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 6882abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie 6892abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie intelfbhw_get_p1p2(dinfo, hw->vga_pd, &p1, &p2); 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGA1: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 691d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie m1, m2, n, p1, p2); 6923aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie printk(" VGA1: clock is %d\n", calc_vclock(index, m1, m2, n, p1, p2, 0)); 6933aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 6941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DPLL_A: 0x%08x\n", hw->dpll_a); 6951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DPLL_B: 0x%08x\n", hw->dpll_b); 6961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPA0: 0x%08x\n", hw->fpa0); 6971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPA1: 0x%08x\n", hw->fpa1); 6981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPB0: 0x%08x\n", hw->fpb0); 6991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FPB1: 0x%08x\n", hw->fpb1); 7003aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->fpa0 >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->fpa0 >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->fpa0 >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7043aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7052abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie intelfbhw_get_p1p2(dinfo, hw->dpll_a, &p1, &p2); 7063aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PLLA0: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 708d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie m1, m2, n, p1, p2); 7093aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie printk(" PLLA0: clock is %d\n", calc_vclock(index, m1, m2, n, p1, p2, 0)); 7103aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = (hw->fpa1 >> FP_N_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m1 = (hw->fpa1 >> FP_M1_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m2 = (hw->fpa1 >> FP_M2_DIVISOR_SHIFT) & FP_DIVISOR_MASK; 7143aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7152abac1db3522d9f56c695d1b42e77f3e52d4c51aDave Airlie intelfbhw_get_p1p2(dinfo, hw->dpll_a, &p1, &p2); 7163aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PLLA1: (m1, m2, n, p1, p2) = (%d, %d, %d, %d, %d)\n", 718d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie m1, m2, n, p1, p2); 7193aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie printk(" PLLA1: clock is %d\n", calc_vclock(index, m1, m2, n, p1, p2, 0)); 7203aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 7211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if 0 7221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PALETTE_A:\n"); 7231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < PALETTE_8_ENTRIES) 724d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie printk(" %3d: 0x%08x\n", i, hw->palette_a[i]); 7251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PALETTE_B:\n"); 7261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < PALETTE_8_ENTRIES) 727d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie printk(" %3d: 0x%08x\n", i, hw->palette_b[i]); 7281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 7291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HTOTAL_A: 0x%08x\n", hw->htotal_a); 7311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HBLANK_A: 0x%08x\n", hw->hblank_a); 7321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HSYNC_A: 0x%08x\n", hw->hsync_a); 7331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VTOTAL_A: 0x%08x\n", hw->vtotal_a); 7341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VBLANK_A: 0x%08x\n", hw->vblank_a); 7351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VSYNC_A: 0x%08x\n", hw->vsync_a); 7361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SRC_SIZE_A: 0x%08x\n", hw->src_size_a); 7371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" BCLRPAT_A: 0x%08x\n", hw->bclrpat_a); 7381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HTOTAL_B: 0x%08x\n", hw->htotal_b); 7391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HBLANK_B: 0x%08x\n", hw->hblank_b); 7401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" HSYNC_B: 0x%08x\n", hw->hsync_b); 7411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VTOTAL_B: 0x%08x\n", hw->vtotal_b); 7421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VBLANK_B: 0x%08x\n", hw->vblank_b); 7431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VSYNC_B: 0x%08x\n", hw->vsync_b); 7441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SRC_SIZE_B: 0x%08x\n", hw->src_size_b); 7451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" BCLRPAT_B: 0x%08x\n", hw->bclrpat_b); 7461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" ADPA: 0x%08x\n", hw->adpa); 7481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOA: 0x%08x\n", hw->dvoa); 7491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOB: 0x%08x\n", hw->dvob); 7501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOC: 0x%08x\n", hw->dvoc); 7511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOA_SRCDIM: 0x%08x\n", hw->dvoa_srcdim); 7521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOB_SRCDIM: 0x%08x\n", hw->dvob_srcdim); 7531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DVOC_SRCDIM: 0x%08x\n", hw->dvoc_srcdim); 7541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" LVDS: 0x%08x\n", hw->lvds); 7551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PIPEACONF: 0x%08x\n", hw->pipe_a_conf); 7571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" PIPEBCONF: 0x%08x\n", hw->pipe_b_conf); 7581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DISPARB: 0x%08x\n", hw->disp_arb); 7591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_A_CONTROL: 0x%08x\n", hw->cursor_a_control); 7611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_B_CONTROL: 0x%08x\n", hw->cursor_b_control); 7621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_A_BASEADDR: 0x%08x\n", hw->cursor_a_base); 7631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_B_BASEADDR: 0x%08x\n", hw->cursor_b_base); 7641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_A_PALETTE: "); 7661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 4; i++) { 7671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("0x%08x", hw->cursor_a_palette[i]); 7681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < 3) 7691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(", "); 7701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("\n"); 7721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_B_PALETTE: "); 7731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 4; i++) { 7741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("0x%08x", hw->cursor_b_palette[i]); 7751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i < 3) 7761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(", "); 7771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("\n"); 7791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" CURSOR_SIZE: 0x%08x\n", hw->cursor_size); 7811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPACNTR: 0x%08x\n", hw->disp_a_ctrl); 7831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPBCNTR: 0x%08x\n", hw->disp_b_ctrl); 7841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPABASE: 0x%08x\n", hw->disp_a_base); 7851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPBBASE: 0x%08x\n", hw->disp_b_base); 7861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPASTRIDE: 0x%08x\n", hw->disp_a_stride); 7871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" DSPBSTRIDE: 0x%08x\n", hw->disp_b_stride); 7881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" VGACNTRL: 0x%08x\n", hw->vgacntrl); 7901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" ADD_ID: 0x%08x\n", hw->add_id); 7911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 7921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 7; i++) { 7931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SWF0%d 0x%08x\n", i, 7941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf0x[i]); 7951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 7961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 7; i++) { 7971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SWF1%d 0x%08x\n", i, 7981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->swf1x[i]); 7991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 3; i++) { 8011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" SWF3%d 0x%08x\n", i, 802d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie hw->swf3x[i]); 8031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 8; i++) 8051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FENCE%d 0x%08x\n", i, 806d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie hw->fence[i]); 8078b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie 8081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" INSTPM 0x%08x\n", hw->instpm); 8091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" MEM_MODE 0x%08x\n", hw->mem_mode); 8101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FW_BLC_0 0x%08x\n", hw->fw_blc_0); 8111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk(" FW_BLC_1 0x%08x\n", hw->fw_blc_1); 8121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8139a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt printk(" HWSTAM 0x%04x\n", hw->hwstam); 8149a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt printk(" IER 0x%04x\n", hw->ier); 8159a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt printk(" IIR 0x%04x\n", hw->iir); 8169a5f019b1a9ea6a75ba36d7c312ff069006ed479Eric Hustvedt printk(" IMR 0x%04x\n", hw->imr); 8171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("hw state dump end\n"); 8181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 8191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8218b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie 822d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie 8231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Split the M parameter into M1 and M2. */ 8241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 8257258b11d2e9a47d2b01620622579f22906960e1aDave Airliesplitm(int index, unsigned int m, unsigned int *retm1, unsigned int *retm2) 8261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int m1, m2; 8288492f081e5552ff388068f612eae6f55f7210ed4Dave Airlie int testm; 829c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie struct pll_min_max *pll = &plls[index]; 830c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie 8318492f081e5552ff388068f612eae6f55f7210ed4Dave Airlie /* no point optimising too much - brute force m */ 832c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie for (m1 = pll->min_m1; m1 < pll->max_m1 + 1; m1++) { 833c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie for (m2 = pll->min_m2; m2 < pll->max_m2 + 1; m2++) { 8343aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie testm = (5 * (m1 + 2)) + (m2 + 2); 8358b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie if (testm == m) { 8368b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie *retm1 = (unsigned int)m1; 8378b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie *retm2 = (unsigned int)m2; 8388b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie return 0; 8398b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie } 8408b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie } 8411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 8428492f081e5552ff388068f612eae6f55f7210ed4Dave Airlie return 1; 8431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Split the P parameter into P1 and P2. */ 8461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 8477258b11d2e9a47d2b01620622579f22906960e1aDave Airliesplitp(int index, unsigned int p, unsigned int *retp1, unsigned int *retp2) 8481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int p1, p2; 850c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie struct pll_min_max *pll = &plls[index]; 8511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8528b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie if (index == PLLS_I9xx) { 85351d797474f87b375819d084f7583a2864c5656c4Dave Airlie p2 = (p % 10) ? 1 : 0; 8543aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 8553aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie p1 = p / (p2 ? 5 : 10); 8563aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 857d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie *retp1 = (unsigned int)p1; 858d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie *retp2 = (unsigned int)p2; 859d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie return 0; 860d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie } 861d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie 862c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie if (p % 4 == 0) 863c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p2 = 1; 864c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie else 865c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p2 = 0; 866c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p1 = (p / (1 << (p2 + 1))) - 2; 867c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie if (p % 4 == 0 && p1 < pll->min_p1) { 868c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie p2 = 0; 8691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p1 = (p / (1 << (p2 + 1))) - 2; 8701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 871c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie if (p1 < pll->min_p1 || p1 > pll->max_p1 || 872c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie (p1 + 2) * (1 << (p2 + 1)) != p) { 873c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie return 1; 874c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie } else { 875c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie *retp1 = (unsigned int)p1; 876c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie *retp2 = (unsigned int)p2; 877c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie return 0; 878c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie } 8791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 8801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 8827258b11d2e9a47d2b01620622579f22906960e1aDave Airliecalc_pll_params(int index, int clock, u32 *retm1, u32 *retm2, u32 *retn, u32 *retp1, 8831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *retp2, u32 *retclock) 8841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 8857679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie u32 m1, m2, n, p1, p2, n1, testm; 8867679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie u32 f_vco, p, p_best = 0, m, f_out = 0; 8871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 err_max, err_target, err_best = 10000000; 8881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 n_best = 0, m_best = 0, f_best, f_err; 88951d797474f87b375819d084f7583a2864c5656c4Dave Airlie u32 p_min, p_max, p_inc, div_max; 89051d797474f87b375819d084f7583a2864c5656c4Dave Airlie struct pll_min_max *pll = &plls[index]; 8911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Accept 0.5% difference, but aim for 0.1% */ 8931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err_max = 5 * clock / 1000; 8941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds err_target = clock / 1000; 8951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 8961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("Clock is %d\n", clock); 8971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 89851d797474f87b375819d084f7583a2864c5656c4Dave Airlie div_max = pll->max_vco / clock; 8991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 90051d797474f87b375819d084f7583a2864c5656c4Dave Airlie p_inc = (clock <= pll->p_transition_clk) ? pll->p_inc_lo : pll->p_inc_hi; 90151d797474f87b375819d084f7583a2864c5656c4Dave Airlie p_min = p_inc; 9021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p_max = ROUND_DOWN_TO(div_max, p_inc); 90351d797474f87b375819d084f7583a2864c5656c4Dave Airlie if (p_min < pll->min_p) 90451d797474f87b375819d084f7583a2864c5656c4Dave Airlie p_min = pll->min_p; 90551d797474f87b375819d084f7583a2864c5656c4Dave Airlie if (p_max > pll->max_p) 90651d797474f87b375819d084f7583a2864c5656c4Dave Airlie p_max = pll->max_p; 9071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("p range is %d-%d (%d)\n", p_min, p_max, p_inc); 9091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = p_min; 9111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 9127258b11d2e9a47d2b01620622579f22906960e1aDave Airlie if (splitp(index, p, &p1, &p2)) { 9131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("cannot split p = %d\n", p); 9141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p += p_inc; 9151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds continue; 9161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 91751d797474f87b375819d084f7583a2864c5656c4Dave Airlie n = pll->min_n; 9181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds f_vco = clock * p; 9191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do { 92151d797474f87b375819d084f7583a2864c5656c4Dave Airlie m = ROUND_UP_TO(f_vco * n, pll->ref_clk) / pll->ref_clk; 92251d797474f87b375819d084f7583a2864c5656c4Dave Airlie if (m < pll->min_m) 92351d797474f87b375819d084f7583a2864c5656c4Dave Airlie m = pll->min_m + 1; 92451d797474f87b375819d084f7583a2864c5656c4Dave Airlie if (m > pll->max_m) 92551d797474f87b375819d084f7583a2864c5656c4Dave Airlie m = pll->max_m - 1; 9267679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie for (testm = m - 1; testm <= m; testm++) { 9279c54ea95852a920720868d0e18bb4e9d645ea007Krzysztof Halasa f_out = calc_vclock3(index, testm, n, p); 928c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie if (splitm(index, testm, &m1, &m2)) { 9299c54ea95852a920720868d0e18bb4e9d645ea007Krzysztof Halasa WRN_MSG("cannot split m = %d\n", 9309c54ea95852a920720868d0e18bb4e9d645ea007Krzysztof Halasa testm); 9317679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie continue; 9327679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie } 9337679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie if (clock > f_out) 9347679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie f_err = clock - f_out; 9357679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie else/* slightly bias the error for bigger clocks */ 9367679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie f_err = f_out - clock + 1; 9373aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 9387679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie if (f_err < err_best) { 939c9daa873c3a7c769821ec6c8258adf098bb0435cDave Airlie m_best = testm; 9407679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie n_best = n; 9417679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie p_best = p; 9427679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie f_best = f_out; 9437679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie err_best = f_err; 9447679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie } 9451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n++; 94751d797474f87b375819d084f7583a2864c5656c4Dave Airlie } while ((n <= pll->max_n) && (f_out >= clock)); 9481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p += p_inc; 9491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } while ((p <= p_max)); 9501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!m_best) { 9521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("cannot find parameters for clock %d\n", clock); 9531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 9541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m = m_best; 9561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n = n_best; 9571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds p = p_best; 9587258b11d2e9a47d2b01620622579f22906960e1aDave Airlie splitm(index, m, &m1, &m2); 9597258b11d2e9a47d2b01620622579f22906960e1aDave Airlie splitp(index, p, &p1, &p2); 9601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds n1 = n - 2; 9611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("m, n, p: %d (%d,%d), %d (%d), %d (%d,%d), " 9631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "f: %d (%d), VCO: %d\n", 9641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds m, m1, m2, n, n1, p, p1, p2, 9658b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie calc_vclock3(index, m, n, p), 9663aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie calc_vclock(index, m1, m2, n1, p1, p2, 0), 967d024960cff5173bef6e83c01cf9cd2763c2c0ab0Dave Airlie calc_vclock3(index, m, n, p) * p); 9681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retm1 = m1; 9691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retm2 = m2; 9701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retn = n1; 9711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retp1 = p1; 9721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *retp2 = p2; 9733aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie *retclock = calc_vclock(index, m1, m2, n1, p1, p2, 0); 9741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 9761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic __inline__ int 9791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldscheck_overflow(u32 value, u32 limit, const char *description) 9801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (value > limit) { 9821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("%s value %d exceeds limit %d\n", 9831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds description, value, limit); 9841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 9851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 9861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 9871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 9881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 9891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* It is assumed that hw is filled in with the initial state information. */ 9901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 9911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_mode_to_hw(struct intelfb_info *dinfo, struct intelfb_hwstate *hw, 9921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct fb_var_screeninfo *var) 9931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 9941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int pipe = PIPE_A; 9951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *dpll, *fp0, *fp1; 9961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 m1, m2, n, p1, p2, clock_target, clock; 9971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 hsync_start, hsync_end, hblank_start, hblank_end, htotal, hactive; 9981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 vsync_start, vsync_end, vblank_start, vblank_end, vtotal, vactive; 9991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 vsync_pol, hsync_pol; 10001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 *vs, *vb, *vt, *hs, *hb, *ht, *ss, *pipe_conf; 1001df7df8ab7b38ca80bbaf5ffafd401d6c739fd45fDennis Munsie u32 stride_alignment; 10021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_mode_to_hw\n"); 10041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable VGA */ 10061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->vgacntrl |= VGA_DISABLE; 10071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check whether pipe A or pipe B is enabled. */ 10091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (hw->pipe_a_conf & PIPECONF_ENABLE) 10101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe = PIPE_A; 10111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (hw->pipe_b_conf & PIPECONF_ENABLE) 10121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe = PIPE_B; 10131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set which pipe's registers will be set. */ 10151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (pipe == PIPE_B) { 10161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_b; 10171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpb0; 10181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpb1; 10191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_b; 10201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_b; 10211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_b; 10221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_b; 10231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_b; 10241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_b; 10251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_b; 10261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_b_conf; 10271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 10281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_a; 10291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpa0; 10301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpa1; 10311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_a; 10321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_a; 10331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_a; 10341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_a; 10351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_a; 10361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_a; 10371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_a; 10381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_a_conf; 10391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Use ADPA register for sync control. */ 10421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~ADPA_USE_VGA_HVPOLARITY; 10431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* sync polarity */ 10451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_pol = (var->sync & FB_SYNC_HOR_HIGH_ACT) ? 10461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADPA_SYNC_ACTIVE_HIGH : ADPA_SYNC_ACTIVE_LOW; 10471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_pol = (var->sync & FB_SYNC_VERT_HIGH_ACT) ? 10481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADPA_SYNC_ACTIVE_HIGH : ADPA_SYNC_ACTIVE_LOW; 10491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~((ADPA_SYNC_ACTIVE_MASK << ADPA_VSYNC_ACTIVE_SHIFT) | 10501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (ADPA_SYNC_ACTIVE_MASK << ADPA_HSYNC_ACTIVE_SHIFT)); 10511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= (hsync_pol << ADPA_HSYNC_ACTIVE_SHIFT) | 10521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (vsync_pol << ADPA_VSYNC_ACTIVE_SHIFT); 10531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Connect correct pipe to the analog port DAC */ 10551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~(PIPE_MASK << ADPA_PIPE_SELECT_SHIFT); 10561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= (pipe << ADPA_PIPE_SELECT_SHIFT); 10571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set DPMS state to D0 (on) */ 10591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa &= ~ADPA_DPMS_CONTROL_MASK; 10601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= ADPA_DPMS_D0; 10611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->adpa |= ADPA_DAC_ENABLE; 10631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll |= (DPLL_VCO_ENABLE | DPLL_VGA_MODE_DISABLE); 10651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll &= ~(DPLL_RATE_SELECT_MASK | DPLL_REFERENCE_SELECT_MASK); 10661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll |= (DPLL_REFERENCE_DEFAULT | DPLL_RATE_SELECT_FP0); 10671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Desired clock in kHz */ 10691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds clock_target = 1000000000 / var->pixclock; 10701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10713aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (calc_pll_params(dinfo->pll_index, clock_target, &m1, &m2, 10728b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie &n, &p1, &p2, &clock)) { 10731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("calc_pll_params failed\n"); 10741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 10761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check for overflow. */ 10781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(p1, DPLL_P1_MASK, "PLL P1 parameter")) 10791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(p2, DPLL_P2_MASK, "PLL P2 parameter")) 10811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(m1, FP_DIVISOR_MASK, "PLL M1 parameter")) 10831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(m2, FP_DIVISOR_MASK, "PLL M2 parameter")) 10851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(n, FP_DIVISOR_MASK, "PLL N parameter")) 10871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 10881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 10891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll &= ~DPLL_P1_FORCE_DIV2; 10901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *dpll &= ~((DPLL_P2_MASK << DPLL_P2_SHIFT) | 10911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (DPLL_P1_MASK << DPLL_P1_SHIFT)); 10923aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 10933aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (IS_I9XX(dinfo)) { 10943aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie *dpll |= (p2 << DPLL_I9XX_P2_SHIFT); 10953aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie *dpll |= (1 << (p1 - 1)) << DPLL_P1_SHIFT; 10963aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie } else { 10973aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie *dpll |= (p2 << DPLL_P2_SHIFT) | (p1 << DPLL_P1_SHIFT); 10983aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie } 10993aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 11001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *fp0 = (n << FP_N_DIVISOR_SHIFT) | 11011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (m1 << FP_M1_DIVISOR_SHIFT) | 11021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (m2 << FP_M2_DIVISOR_SHIFT); 11031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *fp1 = *fp0; 11041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvob &= ~PORT_ENABLE; 11061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->dvoc &= ~PORT_ENABLE; 11071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Use display plane A. */ 11091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_PLANE_ENABLE; 11101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl &= ~DISPPLANE_GAMMA_ENABLE; 11111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl &= ~DISPPLANE_PIXFORMAT_MASK; 11121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (intelfb_var_to_depth(var)) { 11131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 11141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_8BPP | DISPPLANE_GAMMA_ENABLE; 11151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 11161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 15: 11171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_15_16BPP; 11181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 11191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 11201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_16BPP; 11211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 11221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 24: 11231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= DISPPLANE_32BPP_NO_ALPHA; 11241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 11251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 11261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl &= ~(PIPE_MASK << DISPPLANE_SEL_PIPE_SHIFT); 11271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl |= (pipe << DISPPLANE_SEL_PIPE_SHIFT); 11281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set CRTC registers. */ 11301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hactive = var->xres; 11311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_start = hactive + var->right_margin; 11321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_end = hsync_start + var->hsync_len; 11331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal = hsync_end + var->left_margin; 11341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_start = hactive; 11351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_end = htotal; 11361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("H: act %d, ss %d, se %d, tot %d bs %d, be %d\n", 11381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hactive, hsync_start, hsync_end, htotal, hblank_start, 11391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_end); 11401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vactive = var->yres; 11421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_start = vactive + var->lower_margin; 11431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_end = vsync_start + var->vsync_len; 11441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal = vsync_end + var->upper_margin; 11451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_start = vactive; 11461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end = vtotal; 11471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end = vsync_end + 1; 11481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("V: act %d, ss %d, se %d, tot %d bs %d, be %d\n", 11501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vactive, vsync_start, vsync_end, vtotal, vblank_start, 11511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end); 11521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Adjust for register values, and check for overflow. */ 11541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hactive--; 11551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hactive, HACTIVE_MASK, "CRTC hactive")) 11561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_start--; 11581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hsync_start, HSYNCSTART_MASK, "CRTC hsync_start")) 11591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_end--; 11611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hsync_end, HSYNCEND_MASK, "CRTC hsync_end")) 11621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal--; 11641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(htotal, HTOTAL_MASK, "CRTC htotal")) 11651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_start--; 11671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hblank_start, HBLANKSTART_MASK, "CRTC hblank_start")) 11681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_end--; 11701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(hblank_end, HBLANKEND_MASK, "CRTC hblank_end")) 11711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vactive--; 11741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vactive, VACTIVE_MASK, "CRTC vactive")) 11751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_start--; 11771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vsync_start, VSYNCSTART_MASK, "CRTC vsync_start")) 11781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_end--; 11801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vsync_end, VSYNCEND_MASK, "CRTC vsync_end")) 11811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal--; 11831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vtotal, VTOTAL_MASK, "CRTC vtotal")) 11841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_start--; 11861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vblank_start, VBLANKSTART_MASK, "CRTC vblank_start")) 11871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_end--; 11891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_overflow(vblank_end, VBLANKEND_MASK, "CRTC vblank_end")) 11901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 11911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *ht = (htotal << HTOTAL_SHIFT) | (hactive << HACTIVE_SHIFT); 11931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *hb = (hblank_start << HBLANKSTART_SHIFT) | 11941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (hblank_end << HSYNCEND_SHIFT); 11951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *hs = (hsync_start << HSYNCSTART_SHIFT) | (hsync_end << HSYNCEND_SHIFT); 11961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 11971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *vt = (vtotal << VTOTAL_SHIFT) | (vactive << VACTIVE_SHIFT); 11981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *vb = (vblank_start << VBLANKSTART_SHIFT) | 11991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (vblank_end << VSYNCEND_SHIFT); 12001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *vs = (vsync_start << VSYNCSTART_SHIFT) | (vsync_end << VSYNCEND_SHIFT); 12011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *ss = (hactive << SRC_SIZE_HORIZ_SHIFT) | 12021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (vactive << SRC_SIZE_VERT_SHIFT); 12031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12043587c50991b96fee2d26942f380e36e4f40fad71Dave Airlie hw->disp_a_stride = dinfo->pitch; 12051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("pitch is %d\n", hw->disp_a_stride); 12061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_base = hw->disp_a_stride * var->yoffset + 12081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds var->xoffset * var->bits_per_pixel / 8; 12091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_base += dinfo->fb.offset << 12; 12111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check stride alignment. */ 1213df7df8ab7b38ca80bbaf5ffafd401d6c739fd45fDennis Munsie stride_alignment = IS_I9XX(dinfo) ? STRIDE_ALIGNMENT_I9XX : 1214df7df8ab7b38ca80bbaf5ffafd401d6c739fd45fDennis Munsie STRIDE_ALIGNMENT; 1215df7df8ab7b38ca80bbaf5ffafd401d6c739fd45fDennis Munsie if (hw->disp_a_stride % stride_alignment != 0) { 12161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("display stride %d has bad alignment %d\n", 1217df7df8ab7b38ca80bbaf5ffafd401d6c739fd45fDennis Munsie hw->disp_a_stride, stride_alignment); 12181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 12191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 12201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set the palette to 8-bit mode. */ 12221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *pipe_conf &= ~PIPECONF_GAMMA; 12231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 12241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 12251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Program a (non-VGA) video mode. */ 12271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 12281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_program_mode(struct intelfb_info *dinfo, 12291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const struct intelfb_hwstate *hw, int blank) 12301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 12311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int pipe = PIPE_A; 12321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 12331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const u32 *dpll, *fp0, *fp1, *pipe_conf; 12341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds const u32 *hs, *ht, *hb, *vs, *vt, *vb, *ss; 12351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 dpll_reg, fp0_reg, fp1_reg, pipe_conf_reg; 12361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 hsync_reg, htotal_reg, hblank_reg; 12371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 vsync_reg, vtotal_reg, vblank_reg; 12381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 src_size_reg; 12397679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie u32 count, tmp_val[3]; 12401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Assume single pipe, display plane A, analog CRT. */ 12421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 12441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_program_mode\n"); 12451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 12461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable VGA */ 12481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(VGACNTRL); 12491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= VGA_DISABLE; 12501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(VGACNTRL, tmp); 12511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Check whether pipe A or pipe B is enabled. */ 12531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (hw->pipe_a_conf & PIPECONF_ENABLE) 12541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe = PIPE_A; 12551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else if (hw->pipe_b_conf & PIPECONF_ENABLE) 12561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe = PIPE_B; 12571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->pipe = pipe; 12591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 12601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (pipe == PIPE_B) { 12611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_b; 12621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpb0; 12631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpb1; 12641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_b_conf; 12651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_b; 12661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_b; 12671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_b; 12681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_b; 12691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_b; 12701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_b; 12711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_b; 12721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll_reg = DPLL_B; 12731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0_reg = FPB0; 12741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1_reg = FPB1; 12751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf_reg = PIPEBCONF; 12761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_reg = HSYNC_B; 12771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal_reg = HTOTAL_B; 12781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_reg = HBLANK_B; 12791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_reg = VSYNC_B; 12801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal_reg = VTOTAL_B; 12811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_reg = VBLANK_B; 12821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds src_size_reg = SRC_SIZE_B; 12831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 12841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll = &hw->dpll_a; 12851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0 = &hw->fpa0; 12861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1 = &hw->fpa1; 12871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf = &hw->pipe_a_conf; 12881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hs = &hw->hsync_a; 12891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hb = &hw->hblank_a; 12901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ht = &hw->htotal_a; 12911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vs = &hw->vsync_a; 12921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vb = &hw->vblank_a; 12931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vt = &hw->vtotal_a; 12941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ss = &hw->src_size_a; 12951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dpll_reg = DPLL_A; 12961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp0_reg = FPA0; 12971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds fp1_reg = FPA1; 12981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pipe_conf_reg = PIPEACONF; 12991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hsync_reg = HSYNC_A; 13001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds htotal_reg = HTOTAL_A; 13011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hblank_reg = HBLANK_A; 13021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vsync_reg = VSYNC_A; 13031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vtotal_reg = VTOTAL_A; 13041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds vblank_reg = VBLANK_A; 13051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds src_size_reg = SRC_SIZE_A; 13061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 13071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13087679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie /* turn off pipe */ 13097679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie tmp = INREG(pipe_conf_reg); 13107679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie tmp &= ~PIPECONF_ENABLE; 13117679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(pipe_conf_reg, tmp); 13123aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie 13137679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie count = 0; 13148b91b0b4f2d731b92f59bc82492769a09b4955a6Dave Airlie do { 13153aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie tmp_val[count%3] = INREG(0x70000); 13163aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if ((tmp_val[0] == tmp_val[1]) && (tmp_val[1]==tmp_val[2])) 13173aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie break; 13183aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie count++; 13193aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie udelay(1); 13203aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (count % 200 == 0) { 13213aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie tmp = INREG(pipe_conf_reg); 13223aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie tmp &= ~PIPECONF_ENABLE; 13233aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie OUTREG(pipe_conf_reg, tmp); 13243aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie } 13257679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie } while(count < 2000); 13267679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie 13277679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(ADPA, INREG(ADPA) & ~ADPA_DAC_ENABLE); 13287679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie 13291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable planes A and B. */ 13301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 13311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~DISPPLANE_PLANE_ENABLE; 13321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 13331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPBCNTR); 13341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~DISPPLANE_PLANE_ENABLE; 13351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPBCNTR, tmp); 13361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13373aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie /* Wait for vblank. For now, just wait for a 50Hz cycle (20ms)) */ 13381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(20); 13391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1340f728377f6786bcdf1dbf33394360164e86f40094Dave Airlie OUTREG(DVOB, INREG(DVOB) & ~PORT_ENABLE); 1341f728377f6786bcdf1dbf33394360164e86f40094Dave Airlie OUTREG(DVOC, INREG(DVOC) & ~PORT_ENABLE); 1342f728377f6786bcdf1dbf33394360164e86f40094Dave Airlie OUTREG(ADPA, INREG(ADPA) & ~ADPA_DAC_ENABLE); 1343f728377f6786bcdf1dbf33394360164e86f40094Dave Airlie 13441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable Sync */ 13451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(ADPA); 13461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~ADPA_DPMS_CONTROL_MASK; 13471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D3; 13481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, tmp); 13491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13507679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie /* do some funky magic - xyzzy */ 13517679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(0x61204, 0xabcd0000); 13521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* turn off PLL */ 13541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(dpll_reg); 13558c8bd037e5bd7bbc3c82b74cbed4da1ddc3fe8deAntonino A. Daplas tmp &= ~DPLL_VCO_ENABLE; 13561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(dpll_reg, tmp); 13571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set PLL parameters */ 13591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(fp0_reg, *fp0); 13601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(fp1_reg, *fp1); 13611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13627679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie /* Enable PLL */ 1363f728377f6786bcdf1dbf33394360164e86f40094Dave Airlie OUTREG(dpll_reg, *dpll); 13641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set DVOs B/C */ 13661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DVOB, hw->dvob); 13671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DVOC, hw->dvoc); 13681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13697679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie /* undo funky magic */ 13707679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(0x61204, 0x00000000); 13717679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie 13721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Set ADPA */ 13737679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(ADPA, INREG(ADPA) | ADPA_DAC_ENABLE); 13741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, (hw->adpa & ~(ADPA_DPMS_CONTROL_MASK)) | ADPA_DPMS_D3); 13751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13767679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie /* Set pipe parameters */ 13777679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(hsync_reg, *hs); 13787679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(hblank_reg, *hb); 13797679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(htotal_reg, *ht); 13807679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(vsync_reg, *vs); 13817679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(vblank_reg, *vb); 13827679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(vtotal_reg, *vt); 13837679f4d69296de97a7f62458cc4d1c6c884dfcfbDave Airlie OUTREG(src_size_reg, *ss); 13841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Enable pipe */ 13861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(pipe_conf_reg, *pipe_conf | PIPECONF_ENABLE); 13871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Enable sync */ 13891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(ADPA); 13901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~ADPA_DPMS_CONTROL_MASK; 13911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= ADPA_DPMS_D0; 13921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(ADPA, tmp); 13931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 13941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* setup display plane */ 13951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->pdev->device == PCI_DEVICE_ID_INTEL_830M) { 13961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 13971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * i830M errata: the display plane must be enabled 13981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to allow writes to the other bits in the plane 13991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * control register. 14001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 14011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 14021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if ((tmp & DISPPLANE_PLANE_ENABLE) != DISPPLANE_PLANE_ENABLE) { 14031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= DISPPLANE_PLANE_ENABLE; 14041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 14051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, 14061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hw->disp_a_ctrl|DISPPLANE_PLANE_ENABLE); 14071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mdelay(1); 14083aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie } 14091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, hw->disp_a_ctrl & ~DISPPLANE_PLANE_ENABLE); 14121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPASTRIDE, hw->disp_a_stride); 14131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPABASE, hw->disp_a_base); 14141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Enable plane */ 14161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!blank) { 14171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(DSPACNTR); 14181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= DISPPLANE_PLANE_ENABLE; 14191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPACNTR, tmp); 14201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(DSPABASE, hw->disp_a_base); 14211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 14241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 14251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* forward declarations */ 14271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void refresh_ring(struct intelfb_info *dinfo); 14281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void reset_state(struct intelfb_info *dinfo); 14291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void do_flush(struct intelfb_info *dinfo); 14301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 143171c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergenstatic u32 get_ring_space(struct intelfb_info *dinfo) 143271c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen{ 143371c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen u32 ring_space; 143471c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen 143571c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen if (dinfo->ring_tail >= dinfo->ring_head) 143671c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen ring_space = dinfo->ring.size - 143771c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen (dinfo->ring_tail - dinfo->ring_head); 143871c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen else 143971c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen ring_space = dinfo->ring_head - dinfo->ring_tail; 144071c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen 144171c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen if (ring_space > RING_MIN_FREE) 144271c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen ring_space -= RING_MIN_FREE; 144371c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen else 144471c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen ring_space = 0; 144571c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen 144671c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen return ring_space; 144771c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen} 144871c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen 14491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 14501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldswait_ring(struct intelfb_info *dinfo, int n) 14511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 14521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i = 0; 14531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long end; 14541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 last_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK; 14551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 14571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("wait_ring: %d\n", n); 14581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 14591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds end = jiffies + (HZ * 3); 14611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (dinfo->ring_space < n) { 14620fe6e2d2928e089d16ec5ed7ba634c1d60916020Al Viro dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK; 146371c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen dinfo->ring_space = get_ring_space(dinfo); 146471c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen 14650fe6e2d2928e089d16ec5ed7ba634c1d60916020Al Viro if (dinfo->ring_head != last_head) { 14661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds end = jiffies + (HZ * 3); 14670fe6e2d2928e089d16ec5ed7ba634c1d60916020Al Viro last_head = dinfo->ring_head; 14681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i++; 14701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (time_before(end, jiffies)) { 14711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!i) { 14721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Try again */ 14731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reset_state(dinfo); 14741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds refresh_ring(dinfo); 14751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do_flush(dinfo); 14761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds end = jiffies + (HZ * 3); 14771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds i = 1; 14781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 14791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("ring buffer : space: %d wanted %d\n", 14801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_space, n); 14811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds WRN_MSG("lockup - turning off hardware " 14821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "acceleration\n"); 14831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_lockup = 1; 14841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 14851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds udelay(1); 14881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 14891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return i; 14901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 14911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 14921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void 14931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsdo_flush(struct intelfb_info *dinfo) { 14941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(2); 14951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_FLUSH | MI_WRITE_DIRTY_STATE | MI_INVALIDATE_MAP_CACHE); 14961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_NOOP); 14971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 14981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 14991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 15011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_do_sync(struct intelfb_info *dinfo) 15021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 15041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_sync\n"); 15051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->accel) 15081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 15091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 15111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Send a flush, then wait until the ring is empty. This is what 15121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the XFree86 driver does, and actually it doesn't seem a lot worse 15131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * than the recommended method (both have problems). 15141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 15151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds do_flush(dinfo); 15161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds wait_ring(dinfo, dinfo->ring.size - RING_MIN_FREE); 15171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_space = dinfo->ring.size - RING_MIN_FREE; 15181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void 15211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsrefresh_ring(struct intelfb_info *dinfo) 15221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 15241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("refresh_ring\n"); 15251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15270fe6e2d2928e089d16ec5ed7ba634c1d60916020Al Viro dinfo->ring_head = INREG(PRI_RING_HEAD) & RING_HEAD_MASK; 15281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_tail = INREG(PRI_RING_TAIL) & RING_TAIL_MASK; 152971c6efd9930bd87249d007120425341d1293303dOrczykowski, Juergen dinfo->ring_space = get_ring_space(dinfo); 15301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void 15331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsreset_state(struct intelfb_info *dinfo) 15341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i; 15361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 15371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 15391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("reset_state\n"); 15401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < FENCE_NUM; i++) 15431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(FENCE + (i << 2), 0); 15441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush the ring buffer if it's enabled. */ 15461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(PRI_RING_LENGTH); 15471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (tmp & RING_ENABLE) { 15481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 15491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("reset_state: ring was enabled\n"); 15501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds refresh_ring(dinfo); 15521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds intelfbhw_do_sync(dinfo); 15531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DO_RING_IDLE(); 15541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 15551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_LENGTH, 0); 15571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_HEAD, 0); 15581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_TAIL, 0); 15591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_START, 0); 15601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Stop the 2D engine, and turn off the ring buffer. */ 15631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 15641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_2d_stop(struct intelfb_info *dinfo) 15651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 15671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_2d_stop: accel: %d, ring_active: %d\n", dinfo->accel, 15681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_active); 15691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->accel) 15721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 15731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_active = 0; 15751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds reset_state(dinfo); 15761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 15771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 15791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Enable the ring buffer, and initialise the 2D engine. 15801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * It is assumed that the graphics engine has been stopped by previously 15811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * calling intelfb_2d_stop(). 15821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 15831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 15841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_2d_start(struct intelfb_info *dinfo) 15851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 15861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 15871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_2d_start: accel: %d, ring_active: %d\n", 15881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->accel, dinfo->ring_active); 15891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 15901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->accel) 15921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 15931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Initialise the primary ring buffer. */ 15951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_LENGTH, 0); 15961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_TAIL, 0); 15971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_HEAD, 0); 15981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 15991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_START, dinfo->ring.physical & RING_START_MASK); 16001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(PRI_RING_LENGTH, 16011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((dinfo->ring.size - GTT_PAGE_SIZE) & RING_LENGTH_MASK) | 16021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds RING_NO_REPORT | RING_ENABLE); 16031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds refresh_ring(dinfo); 16041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_active = 1; 16051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2D fillrect (solid fill or invert) */ 16081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 16091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_do_fillrect(struct intelfb_info *dinfo, u32 x, u32 y, u32 w, u32 h, 16101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 color, u32 pitch, u32 bpp, u32 rop) 16111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 br00, br09, br13, br14, br16; 16131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 16151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_fillrect: (%d,%d) %dx%d, c 0x%06x, p %d bpp %d, " 16161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds "rop 0x%02x\n", x, y, w, h, color, pitch, bpp, rop); 16171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 16181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 = COLOR_BLT_CMD; 16201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br09 = dinfo->fb_start + (y * pitch + x * (bpp / 8)); 16211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 = (rop << ROP_SHIFT) | pitch; 16221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br14 = (h << HEIGHT_SHIFT) | ((w * (bpp / 8)) << WIDTH_SHIFT); 16231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br16 = color; 16241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (bpp) { 16261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 16271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_8; 16281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 16291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 16301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_16; 16311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 16321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 32: 16331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_32; 16341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 |= WRITE_ALPHA | WRITE_RGB; 16351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 16361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(6); 16391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br00); 16401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br13); 16411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br14); 16421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br09); 16431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br16); 16441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_NOOP); 16451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 16461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 16481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("ring = 0x%08x, 0x%08x (%d)\n", dinfo->ring_head, 16491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->ring_tail, dinfo->ring_space); 16501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 16511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 16541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_do_bitblt(struct intelfb_info *dinfo, u32 curx, u32 cury, 16551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 dstx, u32 dsty, u32 w, u32 h, u32 pitch, u32 bpp) 16561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 16571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 br00, br09, br11, br12, br13, br22, br23, br26; 16581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 16601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_bitblt: (%d,%d)->(%d,%d) %dx%d, p %d bpp %d\n", 16611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds curx, cury, dstx, dsty, w, h, pitch, bpp); 16621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 16631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 = XY_SRC_COPY_BLT_CMD; 16651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br09 = dinfo->fb_start; 16661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br11 = (pitch << PITCH_SHIFT); 16671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br12 = dinfo->fb_start; 16681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 = (SRC_ROP_GXCOPY << ROP_SHIFT) | (pitch << PITCH_SHIFT); 16691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br22 = (dstx << WIDTH_SHIFT) | (dsty << HEIGHT_SHIFT); 16701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br23 = ((dstx + w) << WIDTH_SHIFT) | 16711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((dsty + h) << HEIGHT_SHIFT); 16721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br26 = (curx << WIDTH_SHIFT) | (cury << HEIGHT_SHIFT); 16731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (bpp) { 16751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 16761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_8; 16771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 16781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 16791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_16; 16801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 16811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 32: 16821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_32; 16831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 |= WRITE_ALPHA | WRITE_RGB; 16841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 16851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 16861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(8); 16881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br00); 16891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br13); 16901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br22); 16911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br23); 16921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br09); 16931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br26); 16941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br11); 16951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br12); 16961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 16971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 16981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 16991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsint 17001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_do_drawglyph(struct intelfb_info *dinfo, u32 fg, u32 bg, u32 w, 17011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 h, const u8* cdat, u32 x, u32 y, u32 pitch, u32 bpp) 17021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 17031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int nbytes, ndwords, pad, tmp; 17041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 br00, br09, br13, br18, br19, br22, br23; 17051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int dat, ix, iy, iw; 17061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j; 17071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 17091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_do_drawglyph: (%d,%d) %dx%d\n", x, y, w, h); 17101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 17111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* size in bytes of a padded scanline */ 17131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds nbytes = ROUND_UP_TO(w, 16) / 8; 17141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Total bytes of padded scanline data to write out. */ 17161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds nbytes = nbytes * h; 17171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 17191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Check if the glyph data exceeds the immediate mode limit. 17201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * It would take a large font (1K pixels) to hit this limit. 17211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 17221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (nbytes > MAX_MONO_IMM_SIZE) 17231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 17241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Src data is packaged a dword (32-bit) at a time. */ 17261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ndwords = ROUND_UP_TO(nbytes, 4) / 4; 17271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 17291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Ring has to be padded to a quad word. But because the command starts 17301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds with 7 bytes, pad only if there is an even number of ndwords 17311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 17321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pad = !(ndwords % 2); 17331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = (XY_MONO_SRC_IMM_BLT_CMD & DW_LENGTH_MASK) + ndwords; 17351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 = (XY_MONO_SRC_IMM_BLT_CMD & ~DW_LENGTH_MASK) | tmp; 17361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br09 = dinfo->fb_start; 17371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 = (SRC_ROP_GXCOPY << ROP_SHIFT) | (pitch << PITCH_SHIFT); 17381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br18 = bg; 17391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br19 = fg; 17401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br22 = (x << WIDTH_SHIFT) | (y << HEIGHT_SHIFT); 17411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br23 = ((x + w) << WIDTH_SHIFT) | ((y + h) << HEIGHT_SHIFT); 17421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (bpp) { 17441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: 17451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_8; 17461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 17471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 16: 17481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_16; 17491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 17501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 32: 17511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br13 |= COLOR_DEPTH_32; 17521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds br00 |= WRITE_ALPHA | WRITE_RGB; 17531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 17541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds START_RING(8 + ndwords); 17571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br00); 17581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br13); 17591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br22); 17601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br23); 17611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br09); 17621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br18); 17631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(br19); 17641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ix = iy = 0; 17651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds iw = ROUND_UP_TO(w, 8) / 8; 17661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds while (ndwords--) { 17671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dat = 0; 17681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < 2; ++j) { 17691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 0; i < 2; ++i) { 17701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ix != iw || i == 0) 17711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dat |= cdat[iy*iw + ix++] << (i+j*2)*8; 17721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ix == iw && iy != (h-1)) { 17741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ix = 0; 17751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ++iy; 17761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(dat); 17791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 17801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (pad) 17811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUT_RING(MI_NOOP); 17821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ADVANCE_RING(); 17831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 1; 17851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 17861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* HW cursor functions. */ 17881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 17891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_cursor_init(struct intelfb_info *dinfo) 17901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 17911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 17921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 17941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_init\n"); 17951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 17961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 17973aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (dinfo->mobile || IS_I9XX(dinfo)) { 17981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.physical) 17991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 18001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_A_CONTROL); 18011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~(CURSOR_MODE_MASK | CURSOR_MOBILE_GAMMA_ENABLE | 18021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CURSOR_MEM_TYPE_LOCAL | 18031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (1 << CURSOR_PIPE_SELECT_SHIFT)); 18041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_MODE_DISABLE; 18051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_CONTROL, tmp); 18061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); 18071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 18081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_CONTROL); 18091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~(CURSOR_FORMAT_MASK | CURSOR_GAMMA_ENABLE | 18101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds CURSOR_ENABLE | CURSOR_STRIDE_MASK); 18111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = CURSOR_FORMAT_3C; 18121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_CONTROL, tmp); 18131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.offset << 12); 18141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = (64 << CURSOR_SIZE_H_SHIFT) | 18151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (64 << CURSOR_SIZE_V_SHIFT); 18161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_SIZE, tmp); 18171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 18191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 18211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_cursor_hide(struct intelfb_info *dinfo) 18221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 18241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 18261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_hide\n"); 18271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 18281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_on = 0; 18303aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (dinfo->mobile || IS_I9XX(dinfo)) { 18311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.physical) 18321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 18331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_A_CONTROL); 18341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~CURSOR_MODE_MASK; 18351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_MODE_DISABLE; 18361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_CONTROL, tmp); 18371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush changes */ 18381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); 18391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 18401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_CONTROL); 18411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~CURSOR_ENABLE; 18421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_CONTROL, tmp); 18431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 18451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 18471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_cursor_show(struct intelfb_info *dinfo) 18481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 18501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 18521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_show\n"); 18531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 18541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dinfo->cursor_on = 1; 18561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (dinfo->cursor_blanked) 18581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 18591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18603aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (dinfo->mobile || IS_I9XX(dinfo)) { 18611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.physical) 18621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 18631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_A_CONTROL); 18641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp &= ~CURSOR_MODE_MASK; 18651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_MODE_64_4C_AX; 18661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_CONTROL, tmp); 18671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Flush changes */ 18681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); 18691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } else { 18701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = INREG(CURSOR_CONTROL); 18711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp |= CURSOR_ENABLE; 18721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_CONTROL, tmp); 18731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 18741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 18751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 18771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_cursor_setpos(struct intelfb_info *dinfo, int x, int y) 18781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 18791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u32 tmp; 18801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 18821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_setpos: (%d, %d)\n", x, y); 18831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 18841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 18863aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie * Sets the position. The coordinates are assumed to already 18873aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie * have any offset adjusted. Assume that the cursor is never 18881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * completely off-screen, and that x, y are always >= 0. 18891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 18901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 18911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp = ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT) | 18921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT); 18931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_POSITION, tmp); 18948bb91f6a2d1db8031bfbb367df075f041d0cdfe2Dave Airlie 18953aff13cfb8810cc228e8fdcb92103ed0b11ee38eDave Airlie if (IS_I9XX(dinfo)) { 18968bb91f6a2d1db8031bfbb367df075f041d0cdfe2Dave Airlie OUTREG(CURSOR_A_BASEADDR, dinfo->cursor.physical); 18978bb91f6a2d1db8031bfbb367df075f041d0cdfe2Dave Airlie } 18981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 18991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 19011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_cursor_setcolor(struct intelfb_info *dinfo, u32 bg, u32 fg) 19021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 19031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 19041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_setcolor\n"); 19051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 19061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE0, bg & CURSOR_PALETTE_MASK); 19081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE1, fg & CURSOR_PALETTE_MASK); 19091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE2, fg & CURSOR_PALETTE_MASK); 19101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds OUTREG(CURSOR_A_PALETTE3, bg & CURSOR_PALETTE_MASK); 19111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 19141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_cursor_load(struct intelfb_info *dinfo, int width, int height, 19151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 *data) 19161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 19171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 __iomem *addr = (u8 __iomem *)dinfo->cursor.virtual; 19181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j, w = width / 8; 19191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int mod = width % 8, t_mask, d_mask; 19201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 19221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_load\n"); 19231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 19241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.virtual) 19261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 19271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds t_mask = 0xff >> mod; 19291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds d_mask = ~(0xff >> mod); 19301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = height; i--; ) { 19311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < w; j++) { 19321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0x00, addr + j); 19331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(*(data++), addr + j+8); 19341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (mod) { 19361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(t_mask, addr + j); 19371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(*(data++) & d_mask, addr + j+8); 19381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr += 16; 19401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsvoid 19441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsintelfbhw_cursor_reset(struct intelfb_info *dinfo) { 19451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds u8 __iomem *addr = (u8 __iomem *)dinfo->cursor.virtual; 19461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int i, j; 19471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if VERBOSE > 0 19491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DBG_MSG("intelfbhw_cursor_reset\n"); 19501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 19511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!dinfo->cursor.virtual) 19531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return; 19541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 19551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (i = 64; i--; ) { 19561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds for (j = 0; j < 8; j++) { 19571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0xff, addr + j+0); 19581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0x00, addr + j+8); 19591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds addr += 16; 19611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 19621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 19637649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 19647649757bd900bc900adcd95ab08903cdc28342faEric Hustvedtstatic irqreturn_t 19657d12e780e003f93433d49ce78cfedf4b4c52adc5David Howellsintelfbhw_irq(int irq, void *dev_id) { 19667649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt int handled = 0; 19677649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt u16 tmp; 19687649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt struct intelfb_info *dinfo = (struct intelfb_info *)dev_id; 19697649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 19707649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_lock(&dinfo->int_lock); 19717649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 19727649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt tmp = INREG16(IIR); 19737649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt tmp &= VSYNC_PIPE_A_INTERRUPT; 19747649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 19757649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt if (tmp == 0) { 19767649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_unlock(&dinfo->int_lock); 19777649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt return IRQ_RETVAL(handled); 19787649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 19797649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 19807649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt OUTREG16(IIR, tmp); 19817649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 19827649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt if (tmp & VSYNC_PIPE_A_INTERRUPT) { 19837649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt dinfo->vsync.count++; 1984f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt if (dinfo->vsync.pan_display) { 1985f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt dinfo->vsync.pan_display = 0; 1986f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt OUTREG(DSPABASE, dinfo->vsync.pan_offset); 1987f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt } 19887649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt wake_up_interruptible(&dinfo->vsync.wait); 19897649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt handled = 1; 19907649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 19917649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 19927649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_unlock(&dinfo->int_lock); 19937649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 19947649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt return IRQ_RETVAL(handled); 19957649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt} 19967649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 19977649757bd900bc900adcd95ab08903cdc28342faEric Hustvedtint 19987649757bd900bc900adcd95ab08903cdc28342faEric Hustvedtintelfbhw_enable_irq(struct intelfb_info *dinfo, int reenable) { 19997649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 20007649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt if (!test_and_set_bit(0, &dinfo->irq_flags)) { 200138515e908ba3a9c467ad3bf347b9bce69216df94Thomas Gleixner if (request_irq(dinfo->pdev->irq, intelfbhw_irq, IRQF_SHARED, 200238515e908ba3a9c467ad3bf347b9bce69216df94Thomas Gleixner "intelfb", dinfo)) { 20037649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt clear_bit(0, &dinfo->irq_flags); 20047649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt return -EINVAL; 20057649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 20067649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 20077649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_lock_irq(&dinfo->int_lock); 20087649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt OUTREG16(HWSTAM, 0xfffe); 20097649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt OUTREG16(IMR, 0x0); 20107649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt OUTREG16(IER, VSYNC_PIPE_A_INTERRUPT); 20117649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_unlock_irq(&dinfo->int_lock); 20127649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } else if (reenable) { 20137649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt u16 ier; 20147649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 20157649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_lock_irq(&dinfo->int_lock); 20167649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt ier = INREG16(IER); 20177649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt if ((ier & VSYNC_PIPE_A_INTERRUPT)) { 20187649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt DBG_MSG("someone disabled the IRQ [%08X]\n", ier); 20197649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt OUTREG(IER, VSYNC_PIPE_A_INTERRUPT); 20207649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 20217649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_unlock_irq(&dinfo->int_lock); 20227649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 20237649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt return 0; 20247649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt} 20257649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 20267649757bd900bc900adcd95ab08903cdc28342faEric Hustvedtvoid 20277649757bd900bc900adcd95ab08903cdc28342faEric Hustvedtintelfbhw_disable_irq(struct intelfb_info *dinfo) { 20287649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt u16 tmp; 20297649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 20307649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt if (test_and_clear_bit(0, &dinfo->irq_flags)) { 2031f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt if (dinfo->vsync.pan_display) { 2032f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt dinfo->vsync.pan_display = 0; 2033f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt OUTREG(DSPABASE, dinfo->vsync.pan_offset); 2034f80d0d23f2010b7682e06449345e8199a2b2619cEric Hustvedt } 20357649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_lock_irq(&dinfo->int_lock); 20367649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt OUTREG16(HWSTAM, 0xffff); 20377649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt OUTREG16(IMR, 0xffff); 20387649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt OUTREG16(IER, 0x0); 20397649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 20407649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt tmp = INREG16(IIR); 20417649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt OUTREG16(IIR, tmp); 20427649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt spin_unlock_irq(&dinfo->int_lock); 20437649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt 20447649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt free_irq(dinfo->pdev->irq, dinfo); 20457649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt } 20467649757bd900bc900adcd95ab08903cdc28342faEric Hustvedt} 204737bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt 204837bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedtint 204937bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedtintelfbhw_wait_for_vsync(struct intelfb_info *dinfo, u32 pipe) { 205037bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt struct intelfb_vsync *vsync; 205137bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt unsigned int count; 205237bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt int ret; 205337bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt 205437bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt switch (pipe) { 205537bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt case 0: 205637bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt vsync = &dinfo->vsync; 205737bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt break; 205837bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt default: 205937bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt return -ENODEV; 206037bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt } 206137bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt 206237bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt ret = intelfbhw_enable_irq(dinfo, 0); 206337bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt if (ret) { 206437bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt return ret; 206537bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt } 206637bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt 206737bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt count = vsync->count; 206837bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt ret = wait_event_interruptible_timeout(vsync->wait, count != vsync->count, HZ/10); 206937bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt if (ret < 0) { 207037bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt return ret; 207137bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt } 207237bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt if (ret == 0) { 207337bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt intelfbhw_enable_irq(dinfo, 1); 207437bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt DBG_MSG("wait_for_vsync timed out!\n"); 207537bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt return -ETIMEDOUT; 207637bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt } 207737bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt 207837bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt return 0; 207937bced38b3d09c3de7c871790eddde81a3ce57cbEric Hustvedt} 2080