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6ee73861 BS |
1 | /* |
2 | * Copyright (C) 2009 Francisco Jerez. | |
3 | * All Rights Reserved. | |
4 | * | |
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: | |
12 | * | |
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. | |
16 | * | |
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. | |
24 | * | |
25 | */ | |
26 | ||
760285e7 | 27 | #include <drm/drmP.h> |
77145f1c BS |
28 | #include "nouveau_drm.h" |
29 | #include "nouveau_reg.h" | |
6ee73861 BS |
30 | #include "nouveau_encoder.h" |
31 | #include "nouveau_connector.h" | |
32 | #include "nouveau_crtc.h" | |
33 | #include "nouveau_hw.h" | |
760285e7 | 34 | #include <drm/drm_crtc_helper.h> |
6ee73861 | 35 | |
760285e7 | 36 | #include <drm/i2c/ch7006.h> |
6ee73861 | 37 | |
77145f1c BS |
38 | #include <subdev/i2c.h> |
39 | ||
6d416d80 | 40 | static struct i2c_board_info nv04_tv_encoder_info[] = { |
6ee73861 | 41 | { |
6d416d80 FJ |
42 | I2C_BOARD_INFO("ch7006", 0x75), |
43 | .platform_data = &(struct ch7006_encoder_params) { | |
6ee73861 BS |
44 | CH7006_FORMAT_RGB24m12I, CH7006_CLOCK_MASTER, |
45 | 0, 0, 0, | |
46 | CH7006_SYNC_SLAVE, CH7006_SYNC_SEPARATED, | |
47 | CH7006_POUT_3_3V, CH7006_ACTIVE_HSYNC | |
6d416d80 | 48 | } |
6ee73861 | 49 | }, |
6d416d80 | 50 | { } |
6ee73861 BS |
51 | }; |
52 | ||
6ee73861 BS |
53 | int nv04_tv_identify(struct drm_device *dev, int i2c_index) |
54 | { | |
77145f1c BS |
55 | struct nouveau_drm *drm = nouveau_drm(dev); |
56 | struct nouveau_i2c *i2c = nouveau_i2c(drm->device); | |
57 | ||
58 | return i2c->identify(i2c, i2c_index, "TV encoder", | |
59 | nv04_tv_encoder_info, NULL); | |
6ee73861 BS |
60 | } |
61 | ||
6d416d80 | 62 | |
6ee73861 BS |
63 | #define PLLSEL_TV_CRTC1_MASK \ |
64 | (NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK1 \ | |
65 | | NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK1) | |
66 | #define PLLSEL_TV_CRTC2_MASK \ | |
67 | (NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK2 \ | |
68 | | NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK2) | |
69 | ||
70 | static void nv04_tv_dpms(struct drm_encoder *encoder, int mode) | |
71 | { | |
72 | struct drm_device *dev = encoder->dev; | |
77145f1c | 73 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 | 74 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
017e6e29 | 75 | struct nv04_mode_state *state = &nv04_display(dev)->mode_reg; |
6ee73861 BS |
76 | uint8_t crtc1A; |
77 | ||
77145f1c | 78 | NV_INFO(drm, "Setting dpms mode %d on TV encoder (output %d)\n", |
6ee73861 BS |
79 | mode, nv_encoder->dcb->index); |
80 | ||
81 | state->pllsel &= ~(PLLSEL_TV_CRTC1_MASK | PLLSEL_TV_CRTC2_MASK); | |
82 | ||
83 | if (mode == DRM_MODE_DPMS_ON) { | |
84 | int head = nouveau_crtc(encoder->crtc)->index; | |
85 | crtc1A = NVReadVgaCrtc(dev, head, NV_CIO_CRE_RPC1_INDEX); | |
86 | ||
87 | state->pllsel |= head ? PLLSEL_TV_CRTC2_MASK : | |
88 | PLLSEL_TV_CRTC1_MASK; | |
89 | ||
90 | /* Inhibit hsync */ | |
91 | crtc1A |= 0x80; | |
92 | ||
93 | NVWriteVgaCrtc(dev, head, NV_CIO_CRE_RPC1_INDEX, crtc1A); | |
94 | } | |
95 | ||
96 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_PLL_COEFF_SELECT, state->pllsel); | |
97 | ||
4a9f822f | 98 | get_slave_funcs(encoder)->dpms(encoder, mode); |
6ee73861 BS |
99 | } |
100 | ||
101 | static void nv04_tv_bind(struct drm_device *dev, int head, bool bind) | |
102 | { | |
017e6e29 | 103 | struct nv04_crtc_reg *state = &nv04_display(dev)->mode_reg.crtc_reg[head]; |
6ee73861 BS |
104 | |
105 | state->tv_setup = 0; | |
106 | ||
cd2fb2e9 | 107 | if (bind) |
6ee73861 | 108 | state->CRTC[NV_CIO_CRE_49] |= 0x10; |
cd2fb2e9 | 109 | else |
6ee73861 | 110 | state->CRTC[NV_CIO_CRE_49] &= ~0x10; |
6ee73861 BS |
111 | |
112 | NVWriteVgaCrtc(dev, head, NV_CIO_CRE_LCD__INDEX, | |
113 | state->CRTC[NV_CIO_CRE_LCD__INDEX]); | |
114 | NVWriteVgaCrtc(dev, head, NV_CIO_CRE_49, | |
115 | state->CRTC[NV_CIO_CRE_49]); | |
116 | NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_SETUP, | |
117 | state->tv_setup); | |
118 | } | |
119 | ||
120 | static void nv04_tv_prepare(struct drm_encoder *encoder) | |
121 | { | |
122 | struct drm_device *dev = encoder->dev; | |
123 | int head = nouveau_crtc(encoder->crtc)->index; | |
124 | struct drm_encoder_helper_funcs *helper = encoder->helper_private; | |
125 | ||
126 | helper->dpms(encoder, DRM_MODE_DPMS_OFF); | |
127 | ||
128 | nv04_dfp_disable(dev, head); | |
129 | ||
130 | if (nv_two_heads(dev)) | |
131 | nv04_tv_bind(dev, head ^ 1, false); | |
132 | ||
133 | nv04_tv_bind(dev, head, true); | |
134 | } | |
135 | ||
136 | static void nv04_tv_mode_set(struct drm_encoder *encoder, | |
137 | struct drm_display_mode *mode, | |
138 | struct drm_display_mode *adjusted_mode) | |
139 | { | |
140 | struct drm_device *dev = encoder->dev; | |
6ee73861 | 141 | struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); |
017e6e29 | 142 | struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index]; |
6ee73861 BS |
143 | |
144 | regp->tv_htotal = adjusted_mode->htotal; | |
145 | regp->tv_vtotal = adjusted_mode->vtotal; | |
146 | ||
147 | /* These delay the TV signals with respect to the VGA port, | |
148 | * they might be useful if we ever allow a CRTC to drive | |
149 | * multiple outputs. | |
150 | */ | |
151 | regp->tv_hskew = 1; | |
152 | regp->tv_hsync_delay = 1; | |
153 | regp->tv_hsync_delay2 = 64; | |
154 | regp->tv_vskew = 1; | |
155 | regp->tv_vsync_delay = 1; | |
156 | ||
4a9f822f | 157 | get_slave_funcs(encoder)->mode_set(encoder, mode, adjusted_mode); |
6ee73861 BS |
158 | } |
159 | ||
160 | static void nv04_tv_commit(struct drm_encoder *encoder) | |
161 | { | |
162 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); | |
163 | struct drm_device *dev = encoder->dev; | |
77145f1c | 164 | struct nouveau_drm *drm = nouveau_drm(dev); |
6ee73861 BS |
165 | struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); |
166 | struct drm_encoder_helper_funcs *helper = encoder->helper_private; | |
167 | ||
168 | helper->dpms(encoder, DRM_MODE_DPMS_ON); | |
169 | ||
77145f1c | 170 | NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n", |
6ee73861 BS |
171 | drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), nv_crtc->index, |
172 | '@' + ffs(nv_encoder->dcb->or)); | |
173 | } | |
174 | ||
175 | static void nv04_tv_destroy(struct drm_encoder *encoder) | |
176 | { | |
4a9f822f | 177 | get_slave_funcs(encoder)->destroy(encoder); |
6ee73861 BS |
178 | drm_encoder_cleanup(encoder); |
179 | ||
6d416d80 FJ |
180 | kfree(encoder->helper_private); |
181 | kfree(nouveau_encoder(encoder)); | |
6ee73861 BS |
182 | } |
183 | ||
6d416d80 FJ |
184 | static const struct drm_encoder_funcs nv04_tv_funcs = { |
185 | .destroy = nv04_tv_destroy, | |
186 | }; | |
187 | ||
8f1a6086 | 188 | int |
cb75d97e | 189 | nv04_tv_create(struct drm_connector *connector, struct dcb_output *entry) |
6ee73861 BS |
190 | { |
191 | struct nouveau_encoder *nv_encoder; | |
192 | struct drm_encoder *encoder; | |
8f1a6086 | 193 | struct drm_device *dev = connector->dev; |
6d416d80 FJ |
194 | struct drm_encoder_helper_funcs *hfuncs; |
195 | struct drm_encoder_slave_funcs *sfuncs; | |
77145f1c BS |
196 | struct nouveau_drm *drm = nouveau_drm(dev); |
197 | struct nouveau_i2c *i2c = nouveau_i2c(drm->device); | |
198 | struct nouveau_i2c_port *port = i2c->find(i2c, entry->i2c_index); | |
6ee73861 | 199 | int type, ret; |
6ee73861 BS |
200 | |
201 | /* Ensure that we can talk to this encoder */ | |
6d416d80 | 202 | type = nv04_tv_identify(dev, entry->i2c_index); |
6ee73861 BS |
203 | if (type < 0) |
204 | return type; | |
205 | ||
206 | /* Allocate the necessary memory */ | |
207 | nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL); | |
208 | if (!nv_encoder) | |
209 | return -ENOMEM; | |
210 | ||
6d416d80 FJ |
211 | hfuncs = kzalloc(sizeof(*hfuncs), GFP_KERNEL); |
212 | if (!hfuncs) { | |
213 | ret = -ENOMEM; | |
214 | goto fail_free; | |
215 | } | |
216 | ||
6ee73861 BS |
217 | /* Initialize the common members */ |
218 | encoder = to_drm_encoder(nv_encoder); | |
219 | ||
6d416d80 | 220 | drm_encoder_init(dev, encoder, &nv04_tv_funcs, DRM_MODE_ENCODER_TVDAC); |
6ee73861 BS |
221 | drm_encoder_helper_add(encoder, hfuncs); |
222 | ||
223 | encoder->possible_crtcs = entry->heads; | |
224 | encoder->possible_clones = 0; | |
6ee73861 BS |
225 | nv_encoder->dcb = entry; |
226 | nv_encoder->or = ffs(entry->or) - 1; | |
227 | ||
228 | /* Run the slave-specific initialization */ | |
6d416d80 | 229 | ret = drm_i2c_encoder_init(dev, to_encoder_slave(encoder), |
77145f1c | 230 | &port->adapter, &nv04_tv_encoder_info[type]); |
6ee73861 | 231 | if (ret < 0) |
6d416d80 | 232 | goto fail_cleanup; |
6ee73861 BS |
233 | |
234 | /* Fill the function pointers */ | |
4a9f822f | 235 | sfuncs = get_slave_funcs(encoder); |
6ee73861 | 236 | |
6ee73861 BS |
237 | *hfuncs = (struct drm_encoder_helper_funcs) { |
238 | .dpms = nv04_tv_dpms, | |
239 | .save = sfuncs->save, | |
240 | .restore = sfuncs->restore, | |
241 | .mode_fixup = sfuncs->mode_fixup, | |
242 | .prepare = nv04_tv_prepare, | |
243 | .commit = nv04_tv_commit, | |
244 | .mode_set = nv04_tv_mode_set, | |
245 | .detect = sfuncs->detect, | |
246 | }; | |
247 | ||
6d416d80 | 248 | /* Attach it to the specified connector. */ |
8f1a6086 | 249 | sfuncs->create_resources(encoder, connector); |
8f1a6086 | 250 | drm_mode_connector_attach_encoder(connector, encoder); |
6d416d80 | 251 | |
6ee73861 BS |
252 | return 0; |
253 | ||
6d416d80 | 254 | fail_cleanup: |
6ee73861 | 255 | drm_encoder_cleanup(encoder); |
6d416d80 FJ |
256 | kfree(hfuncs); |
257 | fail_free: | |
6ee73861 BS |
258 | kfree(nv_encoder); |
259 | return ret; | |
260 | } |