2 * Copyright (C) 2009 Francisco Jerez.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 #include "nouveau_drv.h"
29 #include "nouveau_encoder.h"
30 #include "nouveau_connector.h"
31 #include "nouveau_crtc.h"
32 #include "nouveau_hw.h"
33 #include "drm_crtc_helper.h"
35 #include "i2c/ch7006.h"
37 static struct i2c_board_info nv04_tv_encoder_info[] = {
39 I2C_BOARD_INFO("ch7006", 0x75),
40 .platform_data = &(struct ch7006_encoder_params) {
41 CH7006_FORMAT_RGB24m12I, CH7006_CLOCK_MASTER,
43 CH7006_SYNC_SLAVE, CH7006_SYNC_SEPARATED,
44 CH7006_POUT_3_3V, CH7006_ACTIVE_HSYNC
50 int nv04_tv_identify(struct drm_device *dev, int i2c_index)
52 return nouveau_i2c_identify(dev, "TV encoder",
53 nv04_tv_encoder_info, i2c_index);
57 #define PLLSEL_TV_CRTC1_MASK \
58 (NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK1 \
59 | NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK1)
60 #define PLLSEL_TV_CRTC2_MASK \
61 (NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK2 \
62 | NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK2)
64 static void nv04_tv_dpms(struct drm_encoder *encoder, int mode)
66 struct drm_device *dev = encoder->dev;
67 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
68 struct drm_nouveau_private *dev_priv = dev->dev_private;
69 struct nv04_mode_state *state = &dev_priv->mode_reg;
72 NV_INFO(dev, "Setting dpms mode %d on TV encoder (output %d)\n",
73 mode, nv_encoder->dcb->index);
75 state->pllsel &= ~(PLLSEL_TV_CRTC1_MASK | PLLSEL_TV_CRTC2_MASK);
77 if (mode == DRM_MODE_DPMS_ON) {
78 int head = nouveau_crtc(encoder->crtc)->index;
79 crtc1A = NVReadVgaCrtc(dev, head, NV_CIO_CRE_RPC1_INDEX);
81 state->pllsel |= head ? PLLSEL_TV_CRTC2_MASK :
87 NVWriteVgaCrtc(dev, head, NV_CIO_CRE_RPC1_INDEX, crtc1A);
90 NVWriteRAMDAC(dev, 0, NV_PRAMDAC_PLL_COEFF_SELECT, state->pllsel);
92 to_encoder_slave(encoder)->slave_funcs->dpms(encoder, mode);
95 static void nv04_tv_bind(struct drm_device *dev, int head, bool bind)
97 struct drm_nouveau_private *dev_priv = dev->dev_private;
98 struct nv04_crtc_reg *state = &dev_priv->mode_reg.crtc_reg[head];
103 state->CRTC[NV_CIO_CRE_LCD__INDEX] = 0;
104 state->CRTC[NV_CIO_CRE_49] |= 0x10;
106 state->CRTC[NV_CIO_CRE_49] &= ~0x10;
109 NVWriteVgaCrtc(dev, head, NV_CIO_CRE_LCD__INDEX,
110 state->CRTC[NV_CIO_CRE_LCD__INDEX]);
111 NVWriteVgaCrtc(dev, head, NV_CIO_CRE_49,
112 state->CRTC[NV_CIO_CRE_49]);
113 NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_SETUP,
117 static void nv04_tv_prepare(struct drm_encoder *encoder)
119 struct drm_device *dev = encoder->dev;
120 int head = nouveau_crtc(encoder->crtc)->index;
121 struct drm_encoder_helper_funcs *helper = encoder->helper_private;
123 helper->dpms(encoder, DRM_MODE_DPMS_OFF);
125 nv04_dfp_disable(dev, head);
127 if (nv_two_heads(dev))
128 nv04_tv_bind(dev, head ^ 1, false);
130 nv04_tv_bind(dev, head, true);
133 static void nv04_tv_mode_set(struct drm_encoder *encoder,
134 struct drm_display_mode *mode,
135 struct drm_display_mode *adjusted_mode)
137 struct drm_device *dev = encoder->dev;
138 struct drm_nouveau_private *dev_priv = dev->dev_private;
139 struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
140 struct nv04_crtc_reg *regp = &dev_priv->mode_reg.crtc_reg[nv_crtc->index];
142 regp->tv_htotal = adjusted_mode->htotal;
143 regp->tv_vtotal = adjusted_mode->vtotal;
145 /* These delay the TV signals with respect to the VGA port,
146 * they might be useful if we ever allow a CRTC to drive
150 regp->tv_hsync_delay = 1;
151 regp->tv_hsync_delay2 = 64;
153 regp->tv_vsync_delay = 1;
155 to_encoder_slave(encoder)->slave_funcs->mode_set(encoder, mode, adjusted_mode);
158 static void nv04_tv_commit(struct drm_encoder *encoder)
160 struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
161 struct drm_device *dev = encoder->dev;
162 struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
163 struct drm_encoder_helper_funcs *helper = encoder->helper_private;
165 helper->dpms(encoder, DRM_MODE_DPMS_ON);
167 NV_INFO(dev, "Output %s is running on CRTC %d using output %c\n",
168 drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), nv_crtc->index,
169 '@' + ffs(nv_encoder->dcb->or));
172 static void nv04_tv_destroy(struct drm_encoder *encoder)
174 to_encoder_slave(encoder)->slave_funcs->destroy(encoder);
176 drm_encoder_cleanup(encoder);
178 kfree(encoder->helper_private);
179 kfree(nouveau_encoder(encoder));
182 static const struct drm_encoder_funcs nv04_tv_funcs = {
183 .destroy = nv04_tv_destroy,
187 nv04_tv_create(struct drm_connector *connector, struct dcb_entry *entry)
189 struct nouveau_encoder *nv_encoder;
190 struct drm_encoder *encoder;
191 struct drm_device *dev = connector->dev;
192 struct drm_encoder_helper_funcs *hfuncs;
193 struct drm_encoder_slave_funcs *sfuncs;
194 struct nouveau_i2c_chan *i2c =
195 nouveau_i2c_find(dev, entry->i2c_index);
198 /* Ensure that we can talk to this encoder */
199 type = nv04_tv_identify(dev, entry->i2c_index);
203 /* Allocate the necessary memory */
204 nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
208 hfuncs = kzalloc(sizeof(*hfuncs), GFP_KERNEL);
214 /* Initialize the common members */
215 encoder = to_drm_encoder(nv_encoder);
217 drm_encoder_init(dev, encoder, &nv04_tv_funcs, DRM_MODE_ENCODER_TVDAC);
218 drm_encoder_helper_add(encoder, hfuncs);
220 encoder->possible_crtcs = entry->heads;
221 encoder->possible_clones = 0;
222 nv_encoder->dcb = entry;
223 nv_encoder->or = ffs(entry->or) - 1;
225 /* Run the slave-specific initialization */
226 ret = drm_i2c_encoder_init(dev, to_encoder_slave(encoder),
227 &i2c->adapter, &nv04_tv_encoder_info[type]);
231 /* Fill the function pointers */
232 sfuncs = to_encoder_slave(encoder)->slave_funcs;
234 *hfuncs = (struct drm_encoder_helper_funcs) {
235 .dpms = nv04_tv_dpms,
236 .save = sfuncs->save,
237 .restore = sfuncs->restore,
238 .mode_fixup = sfuncs->mode_fixup,
239 .prepare = nv04_tv_prepare,
240 .commit = nv04_tv_commit,
241 .mode_set = nv04_tv_mode_set,
242 .detect = sfuncs->detect,
245 /* Attach it to the specified connector. */
246 sfuncs->set_config(encoder, nv04_tv_encoder_info[type].platform_data);
247 sfuncs->create_resources(encoder, connector);
248 drm_mode_connector_attach_encoder(connector, encoder);
253 drm_encoder_cleanup(encoder);