/* * Copyright © 2007 Dave Mueller * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. * * Authors: * Dave Mueller * */ #include "dvo.h" /* register definitions according to the TFP410 data sheet */ #define TFP410_VID 0x014C #define TFP410_DID 0x0410 #define TFP410_VID_LO 0x00 #define TFP410_VID_HI 0x01 #define TFP410_DID_LO 0x02 #define TFP410_DID_HI 0x03 #define TFP410_REV 0x04 #define TFP410_CTL_1 0x08 #define TFP410_CTL_1_TDIS (1<<6) #define TFP410_CTL_1_VEN (1<<5) #define TFP410_CTL_1_HEN (1<<4) #define TFP410_CTL_1_DSEL (1<<3) #define TFP410_CTL_1_BSEL (1<<2) #define TFP410_CTL_1_EDGE (1<<1) #define TFP410_CTL_1_PD (1<<0) #define TFP410_CTL_2 0x09 #define TFP410_CTL_2_VLOW (1<<7) #define TFP410_CTL_2_MSEL_MASK (0x7<<4) #define TFP410_CTL_2_MSEL (1<<4) #define TFP410_CTL_2_TSEL (1<<3) #define TFP410_CTL_2_RSEN (1<<2) #define TFP410_CTL_2_HTPLG (1<<1) #define TFP410_CTL_2_MDI (1<<0) #define TFP410_CTL_3 0x0A #define TFP410_CTL_3_DK_MASK (0x7<<5) #define TFP410_CTL_3_DK (1<<5) #define TFP410_CTL_3_DKEN (1<<4) #define TFP410_CTL_3_CTL_MASK (0x7<<1) #define TFP410_CTL_3_CTL (1<<1) #define TFP410_USERCFG 0x0B #define TFP410_DE_DLY 0x32 #define TFP410_DE_CTL 0x33 #define TFP410_DE_CTL_DEGEN (1<<6) #define TFP410_DE_CTL_VSPOL (1<<5) #define TFP410_DE_CTL_HSPOL (1<<4) #define TFP410_DE_CTL_DEDLY8 (1<<0) #define TFP410_DE_TOP 0x34 #define TFP410_DE_CNT_LO 0x36 #define TFP410_DE_CNT_HI 0x37 #define TFP410_DE_LIN_LO 0x38 #define TFP410_DE_LIN_HI 0x39 #define TFP410_H_RES_LO 0x3A #define TFP410_H_RES_HI 0x3B #define TFP410_V_RES_LO 0x3C #define TFP410_V_RES_HI 0x3D struct tfp410_save_rec { uint8_t ctl1; uint8_t ctl2; }; struct tfp410_priv { bool quiet; struct tfp410_save_rec saved_reg; struct tfp410_save_rec mode_reg; }; static bool tfp410_readb(struct intel_dvo_device *dvo, int addr, uint8_t *ch) { struct tfp410_priv *tfp = dvo->dev_priv; struct intel_i2c_chan *i2cbus = dvo->i2c_bus; u8 out_buf[2]; u8 in_buf[2]; struct i2c_msg msgs[] = { { .addr = i2cbus->slave_addr, .flags = 0, .len = 1, .buf = out_buf, }, { .addr = i2cbus->slave_addr, .flags = I2C_M_RD, .len = 1, .buf = in_buf, } }; out_buf[0] = addr; out_buf[1] = 0; if (i2c_transfer(&i2cbus->adapter, msgs, 2) == 2) { *ch = in_buf[0]; return true; }; if (!tfp->quiet) { DRM_DEBUG("Unable to read register 0x%02x from %s:%02x.\n", addr, i2cbus->adapter.name, i2cbus->slave_addr); } return false; } static bool tfp410_writeb(struct intel_dvo_device *dvo, int addr, uint8_t ch) { struct tfp410_priv *tfp = dvo->dev_priv; struct intel_i2c_chan *i2cbus = dvo->i2c_bus; uint8_t out_buf[2]; struct i2c_msg msg = { .addr = i2cbus->slave_addr, .flags = 0, .len = 2, .buf = out_buf, }; out_buf[0] = addr; out_buf[1] = ch; if (i2c_transfer(&i2cbus->adapter, &msg, 1) == 1) return true; if (!tfp->quiet) { DRM_DEBUG("Unable to write register 0x%02x to %s:%d.\n", addr, i2cbus->adapter.name, i2cbus->slave_addr); } return false; } static int tfp410_getid(struct intel_dvo_device *dvo, int addr) { uint8_t ch1, ch2; if (tfp410_readb(dvo, addr+0, &ch1) && tfp410_readb(dvo, addr+1, &ch2)) return ((ch2 << 8) & 0xFF00) | (ch1 & 0x00FF); return -1; } /* Ti TFP410 driver for chip on i2c bus */ static bool tfp410_init(struct intel_dvo_device *dvo, struct intel_i2c_chan *i2cbus) { /* this will detect the tfp410 chip on the specified i2c bus */ struct tfp410_priv *tfp; int id; tfp = kzalloc(sizeof(struct tfp410_priv), GFP_KERNEL); if (tfp == NULL) return false; dvo->i2c_bus = i2cbus; dvo->i2c_bus->slave_addr = dvo->slave_addr; dvo->dev_priv = tfp; tfp->quiet = true; if ((id = tfp410_getid(dvo, TFP410_VID_LO)) != TFP410_VID) { DRM_DEBUG("tfp410 not detected got VID %X: from %s Slave %d.\n", id, i2cbus->adapter.name, i2cbus->slave_addr); goto out; } if ((id = tfp410_getid(dvo, TFP410_DID_LO)) != TFP410_DID) { DRM_DEBUG("tfp410 not detected got DID %X: from %s Slave %d.\n", id, i2cbus->adapter.name, i2cbus->slave_addr); goto out; } tfp->quiet = false; return true; out: kfree(tfp); return false; } static enum drm_connector_status tfp410_detect(struct intel_dvo_device *dvo) { enum drm_connector_status ret = connector_status_disconnected; uint8_t ctl2; if (tfp410_readb(dvo, TFP410_CTL_2, &ctl2)) { if (ctl2 & TFP410_CTL_2_HTPLG) ret = connector_status_connected; else ret = connector_status_disconnected; } return ret; } static enum drm_mode_status tfp410_mode_valid(struct intel_dvo_device *dvo, struct drm_display_mode *mode) { return MODE_OK; } static void tfp410_mode_set(struct intel_dvo_device *dvo, struct drm_display_mode *mode, struct drm_display_mode *adjusted_mode) { /* As long as the basics are set up, since we don't have clock dependencies * in the mode setup, we can just leave the registers alone and everything * will work fine. */ /* don't do much */ return; } /* set the tfp410 power state */ static void tfp410_dpms(struct intel_dvo_device *dvo, int mode) { uint8_t ctl1; if (!tfp410_readb(dvo, TFP410_CTL_1, &ctl1)) return; if (mode == DRM_MODE_DPMS_ON) ctl1 |= TFP410_CTL_1_PD; else ctl1 &= ~TFP410_CTL_1_PD; tfp410_writeb(dvo, TFP410_CTL_1, ctl1); } static void tfp410_dump_regs(struct intel_dvo_device *dvo) { uint8_t val, val2; tfp410_readb(dvo, TFP410_REV, &val); DRM_DEBUG("TFP410_REV: 0x%02X\n", val); tfp410_readb(dvo, TFP410_CTL_1, &val); DRM_DEBUG("TFP410_CTL1: 0x%02X\n", val); tfp410_readb(dvo, TFP410_CTL_2, &val); DRM_DE/* i915_drv.c -- ATI Radeon driver -*- linux-c -*- * Created: Wed Feb 14 17:10:04 2001 by gareth@valinux.com */ /*- * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Gareth Hughes <gareth@valinux.com> * */ #include "drmP.h" #include "drm.h" #include "i915_drm.h" #include "i915_drv.h" #include "drm_pciids.h" /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */ static drm_pci_id_list_t i915_pciidlist[] = { i915_PCI_IDS }; static void i915_configure(drm_device_t *dev) { dev->driver.buf_priv_size = 1; /* No dev_priv */ dev->driver.load = i915_driver_load; dev->driver.preclose = i915_driver_preclose; dev->driver.lastclose = i915_driver_lastclose; dev->driver.device_is_agp = i915_driver_device_is_agp, dev->driver.irq_preinstall = i915_driver_irq_preinstall; dev->driver.irq_postinstall = i915_driver_irq_postinstall; dev->driver.irq_uninstall = i915_driver_irq_uninstall; dev->driver.irq_handler = i915_driver_irq_handler; dev->driver.ioctls = i915_ioctls; dev->driver.max_ioctl = i915_max_ioctl; dev->driver.name = DRIVER_NAME; dev->driver.desc = DRIVER_DESC; dev->driver.date = DRIVER_DATE; dev->driver.major = DRIVER_MAJOR; dev->driver.minor = DRIVER_MINOR; dev->driver.patchlevel = DRIVER_PATCHLEVEL; dev->driver.use_agp = 1; dev->driver.require_agp = 1; dev->driver.use_mtrr = 1; dev->driver.use_irq = 1; } #ifdef __FreeBSD__ static int i915_probe(device_t dev) { return drm_probe(dev, i915_pciidlist); } static int i915_attach(device_t nbdev) { drm_device_t *dev = device_get_softc(nbdev); bzero(dev, sizeof(drm_device_t)); i915_configure(dev); return drm_attach(nbdev, i915_pciidlist); } static device_method_t i915_methods[] = { /* Device interface */ DEVMETHOD(device_probe, i915_probe), DEVMETHOD(device_attach, i915_attach), DEVMETHOD(device_detach, drm_detach), { 0, 0 } }; static driver_t i915_driver = { #if __FreeBSD_version >= 700010 "drm", #else "drmsub", #endif i915_methods, sizeof(drm_device_t) }; extern devclass_t drm_devclass; #if __FreeBSD_version >= 700010 DRIVER_MODULE(i915, vgapci, i915_driver, drm_devclass, 0, 0); #else DRIVER_MODULE(i915, agp, i915_driver, drm_devclass, 0, 0); #endif MODULE_DEPEND(i915, drm, 1, 1, 1); #elif defined(__NetBSD__) || defined(__OpenBSD__) CFDRIVER_DECL(i915, DV_TTY, NULL); #endif
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