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* Copyright (C) 2009 Francisco Jerez.
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#include "nouveau_drv.h"
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#include "nouveau_encoder.h"
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#include "nouveau_connector.h"
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#include "nouveau_crtc.h"
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#include "nouveau_hw.h"
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#include "drm_crtc_helper.h"
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#include "i2c/ch7006.h"
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struct i2c_board_info board_info;
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struct drm_encoder_funcs funcs;
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struct drm_encoder_helper_funcs hfuncs;
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} nv04_tv_encoder_info[] = {
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.board_info = { I2C_BOARD_INFO("ch7006", 0x75) },
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.params = &(struct ch7006_encoder_params) {
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CH7006_FORMAT_RGB24m12I, CH7006_CLOCK_MASTER,
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CH7006_SYNC_SLAVE, CH7006_SYNC_SEPARATED,
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CH7006_POUT_3_3V, CH7006_ACTIVE_HSYNC
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static bool probe_i2c_addr(struct i2c_adapter *adapter, int addr)
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struct i2c_msg msg = {
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return i2c_transfer(adapter, &msg, 1) == 1;
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int nv04_tv_identify(struct drm_device *dev, int i2c_index)
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struct nouveau_i2c_chan *i2c;
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NV_TRACE(dev, "Probing TV encoders on I2C bus: %d\n", i2c_index);
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i2c = nouveau_i2c_find(dev, i2c_index);
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was_locked = NVLockVgaCrtcs(dev, false);
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for (i = 0; i < ARRAY_SIZE(nv04_tv_encoder_info); i++) {
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if (probe_i2c_addr(&i2c->adapter,
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nv04_tv_encoder_info[i].board_info.addr)) {
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if (i < ARRAY_SIZE(nv04_tv_encoder_info)) {
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NV_TRACE(dev, "Detected TV encoder: %s\n",
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nv04_tv_encoder_info[i].board_info.type);
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NV_TRACE(dev, "No TV encoders found.\n");
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NVLockVgaCrtcs(dev, was_locked);
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#define PLLSEL_TV_CRTC1_MASK \
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(NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK1 \
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| NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK1)
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#define PLLSEL_TV_CRTC2_MASK \
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(NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK2 \
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| NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK2)
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static void nv04_tv_dpms(struct drm_encoder *encoder, int mode)
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struct drm_device *dev = encoder->dev;
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struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nv04_mode_state *state = &dev_priv->mode_reg;
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NV_INFO(dev, "Setting dpms mode %d on TV encoder (output %d)\n",
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mode, nv_encoder->dcb->index);
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state->pllsel &= ~(PLLSEL_TV_CRTC1_MASK | PLLSEL_TV_CRTC2_MASK);
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if (mode == DRM_MODE_DPMS_ON) {
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int head = nouveau_crtc(encoder->crtc)->index;
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crtc1A = NVReadVgaCrtc(dev, head, NV_CIO_CRE_RPC1_INDEX);
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state->pllsel |= head ? PLLSEL_TV_CRTC2_MASK :
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PLLSEL_TV_CRTC1_MASK;
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NVWriteVgaCrtc(dev, head, NV_CIO_CRE_RPC1_INDEX, crtc1A);
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NVWriteRAMDAC(dev, 0, NV_PRAMDAC_PLL_COEFF_SELECT, state->pllsel);
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to_encoder_slave(encoder)->slave_funcs->dpms(encoder, mode);
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static void nv04_tv_bind(struct drm_device *dev, int head, bool bind)
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nv04_crtc_reg *state = &dev_priv->mode_reg.crtc_reg[head];
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state->CRTC[NV_CIO_CRE_LCD__INDEX] = 0;
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state->CRTC[NV_CIO_CRE_49] |= 0x10;
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state->CRTC[NV_CIO_CRE_49] &= ~0x10;
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NVWriteVgaCrtc(dev, head, NV_CIO_CRE_LCD__INDEX,
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state->CRTC[NV_CIO_CRE_LCD__INDEX]);
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NVWriteVgaCrtc(dev, head, NV_CIO_CRE_49,
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state->CRTC[NV_CIO_CRE_49]);
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NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_SETUP,
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static void nv04_tv_prepare(struct drm_encoder *encoder)
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struct drm_device *dev = encoder->dev;
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int head = nouveau_crtc(encoder->crtc)->index;
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struct drm_encoder_helper_funcs *helper = encoder->helper_private;
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helper->dpms(encoder, DRM_MODE_DPMS_OFF);
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nv04_dfp_disable(dev, head);
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if (nv_two_heads(dev))
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nv04_tv_bind(dev, head ^ 1, false);
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nv04_tv_bind(dev, head, true);
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static void nv04_tv_mode_set(struct drm_encoder *encoder,
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struct drm_display_mode *mode,
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struct drm_display_mode *adjusted_mode)
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struct drm_device *dev = encoder->dev;
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
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struct nv04_crtc_reg *regp = &dev_priv->mode_reg.crtc_reg[nv_crtc->index];
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regp->tv_htotal = adjusted_mode->htotal;
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regp->tv_vtotal = adjusted_mode->vtotal;
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/* These delay the TV signals with respect to the VGA port,
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* they might be useful if we ever allow a CRTC to drive
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regp->tv_hsync_delay = 1;
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regp->tv_hsync_delay2 = 64;
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regp->tv_vsync_delay = 1;
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to_encoder_slave(encoder)->slave_funcs->mode_set(encoder, mode, adjusted_mode);
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static void nv04_tv_commit(struct drm_encoder *encoder)
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struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
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struct drm_device *dev = encoder->dev;
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struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
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struct drm_encoder_helper_funcs *helper = encoder->helper_private;
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helper->dpms(encoder, DRM_MODE_DPMS_ON);
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NV_INFO(dev, "Output %s is running on CRTC %d using output %c\n",
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drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), nv_crtc->index,
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'@' + ffs(nv_encoder->dcb->or));
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static void nv04_tv_destroy(struct drm_encoder *encoder)
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struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
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to_encoder_slave(encoder)->slave_funcs->destroy(encoder);
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drm_encoder_cleanup(encoder);
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int nv04_tv_create(struct drm_device *dev, struct dcb_entry *entry)
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struct nouveau_encoder *nv_encoder;
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struct drm_encoder *encoder;
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struct drm_nouveau_private *dev_priv = dev->dev_private;
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struct i2c_adapter *adap;
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struct drm_encoder_funcs *funcs = NULL;
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struct drm_encoder_helper_funcs *hfuncs = NULL;
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struct drm_encoder_slave_funcs *sfuncs = NULL;
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int i2c_index = entry->i2c_index;
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/* Ensure that we can talk to this encoder */
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type = nv04_tv_identify(dev, i2c_index);
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/* Allocate the necessary memory */
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nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
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/* Initialize the common members */
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encoder = to_drm_encoder(nv_encoder);
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funcs = &nv04_tv_encoder_info[type].funcs;
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hfuncs = &nv04_tv_encoder_info[type].hfuncs;
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drm_encoder_init(dev, encoder, funcs, DRM_MODE_ENCODER_TVDAC);
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drm_encoder_helper_add(encoder, hfuncs);
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encoder->possible_crtcs = entry->heads;
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encoder->possible_clones = 0;
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nv_encoder->dcb = entry;
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nv_encoder->or = ffs(entry->or) - 1;
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/* Run the slave-specific initialization */
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adap = &dev_priv->vbios->dcb->i2c[i2c_index].chan->adapter;
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was_locked = NVLockVgaCrtcs(dev, false);
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ret = drm_i2c_encoder_init(encoder->dev, to_encoder_slave(encoder), adap,
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&nv04_tv_encoder_info[type].board_info);
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NVLockVgaCrtcs(dev, was_locked);
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/* Fill the function pointers */
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sfuncs = to_encoder_slave(encoder)->slave_funcs;
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*funcs = (struct drm_encoder_funcs) {
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.destroy = nv04_tv_destroy,
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*hfuncs = (struct drm_encoder_helper_funcs) {
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.dpms = nv04_tv_dpms,
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.save = sfuncs->save,
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.restore = sfuncs->restore,
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.mode_fixup = sfuncs->mode_fixup,
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.prepare = nv04_tv_prepare,
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.commit = nv04_tv_commit,
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.mode_set = nv04_tv_mode_set,
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.detect = sfuncs->detect,
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/* Set the slave encoder configuration */
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sfuncs->set_config(encoder, nv04_tv_encoder_info[type].params);
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drm_encoder_cleanup(encoder);
added
removed
updates/nouveau/nouveau/nv04_tv.c
