Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 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 | |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 27 | #include <drm/drmP.h> |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame] | 28 | #include "nouveau_drm.h" |
| 29 | #include "nouveau_reg.h" |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 30 | #include "nouveau_encoder.h" |
| 31 | #include "nouveau_connector.h" |
| 32 | #include "nouveau_crtc.h" |
Ben Skeggs | 1a64634 | 2013-03-21 15:45:11 +1000 | [diff] [blame] | 33 | #include "hw.h" |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 34 | #include <drm/drm_crtc_helper.h> |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 35 | |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 36 | #include <drm/i2c/ch7006.h> |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 37 | |
Ben Skeggs | 2aa5eac | 2015-08-20 14:54:15 +1000 | [diff] [blame] | 38 | static struct nvkm_i2c_bus_probe nv04_tv_encoder_info[] = { |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 39 | { |
Martin Peres | 9e2b734 | 2013-10-21 01:48:55 +0200 | [diff] [blame] | 40 | { |
| 41 | I2C_BOARD_INFO("ch7006", 0x75), |
| 42 | .platform_data = &(struct ch7006_encoder_params) { |
| 43 | CH7006_FORMAT_RGB24m12I, CH7006_CLOCK_MASTER, |
| 44 | 0, 0, 0, |
| 45 | CH7006_SYNC_SLAVE, CH7006_SYNC_SEPARATED, |
| 46 | CH7006_POUT_3_3V, CH7006_ACTIVE_HSYNC |
| 47 | } |
| 48 | }, |
| 49 | 0 |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 50 | }, |
Francisco Jerez | 6d416d8 | 2010-07-19 15:55:08 +0200 | [diff] [blame] | 51 | { } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 52 | }; |
| 53 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 54 | int nv04_tv_identify(struct drm_device *dev, int i2c_index) |
| 55 | { |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame] | 56 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 57 | struct nvkm_i2c *i2c = nvxx_i2c(&drm->device); |
Ben Skeggs | 2aa5eac | 2015-08-20 14:54:15 +1000 | [diff] [blame] | 58 | struct nvkm_i2c_bus *bus = nvkm_i2c_bus_find(i2c, i2c_index); |
| 59 | if (bus) { |
| 60 | return nvkm_i2c_bus_probe(bus, "TV encoder", |
| 61 | nv04_tv_encoder_info, |
| 62 | NULL, NULL); |
| 63 | } |
| 64 | return -ENODEV; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 65 | } |
| 66 | |
Francisco Jerez | 6d416d8 | 2010-07-19 15:55:08 +0200 | [diff] [blame] | 67 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 68 | #define PLLSEL_TV_CRTC1_MASK \ |
| 69 | (NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK1 \ |
| 70 | | NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK1) |
| 71 | #define PLLSEL_TV_CRTC2_MASK \ |
| 72 | (NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK2 \ |
| 73 | | NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK2) |
| 74 | |
| 75 | static void nv04_tv_dpms(struct drm_encoder *encoder, int mode) |
| 76 | { |
| 77 | struct drm_device *dev = encoder->dev; |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame] | 78 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 79 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
Ben Skeggs | 017e6e2 | 2012-07-18 10:00:50 +1000 | [diff] [blame] | 80 | struct nv04_mode_state *state = &nv04_display(dev)->mode_reg; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 81 | uint8_t crtc1A; |
| 82 | |
Ben Skeggs | cee59f1 | 2012-10-29 09:03:07 +1000 | [diff] [blame] | 83 | NV_DEBUG(drm, "Setting dpms mode %d on TV encoder (output %d)\n", |
| 84 | mode, nv_encoder->dcb->index); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 85 | |
| 86 | state->pllsel &= ~(PLLSEL_TV_CRTC1_MASK | PLLSEL_TV_CRTC2_MASK); |
| 87 | |
| 88 | if (mode == DRM_MODE_DPMS_ON) { |
| 89 | int head = nouveau_crtc(encoder->crtc)->index; |
| 90 | crtc1A = NVReadVgaCrtc(dev, head, NV_CIO_CRE_RPC1_INDEX); |
| 91 | |
| 92 | state->pllsel |= head ? PLLSEL_TV_CRTC2_MASK : |
| 93 | PLLSEL_TV_CRTC1_MASK; |
| 94 | |
| 95 | /* Inhibit hsync */ |
| 96 | crtc1A |= 0x80; |
| 97 | |
| 98 | NVWriteVgaCrtc(dev, head, NV_CIO_CRE_RPC1_INDEX, crtc1A); |
| 99 | } |
| 100 | |
| 101 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_PLL_COEFF_SELECT, state->pllsel); |
| 102 | |
Francisco Jerez | 4a9f822 | 2010-07-20 16:48:08 +0200 | [diff] [blame] | 103 | get_slave_funcs(encoder)->dpms(encoder, mode); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 104 | } |
| 105 | |
| 106 | static void nv04_tv_bind(struct drm_device *dev, int head, bool bind) |
| 107 | { |
Ben Skeggs | 017e6e2 | 2012-07-18 10:00:50 +1000 | [diff] [blame] | 108 | struct nv04_crtc_reg *state = &nv04_display(dev)->mode_reg.crtc_reg[head]; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 109 | |
| 110 | state->tv_setup = 0; |
| 111 | |
Francisco Jerez | cd2fb2e | 2010-09-28 20:47:58 +0200 | [diff] [blame] | 112 | if (bind) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 113 | state->CRTC[NV_CIO_CRE_49] |= 0x10; |
Francisco Jerez | cd2fb2e | 2010-09-28 20:47:58 +0200 | [diff] [blame] | 114 | else |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 115 | state->CRTC[NV_CIO_CRE_49] &= ~0x10; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 116 | |
| 117 | NVWriteVgaCrtc(dev, head, NV_CIO_CRE_LCD__INDEX, |
| 118 | state->CRTC[NV_CIO_CRE_LCD__INDEX]); |
| 119 | NVWriteVgaCrtc(dev, head, NV_CIO_CRE_49, |
| 120 | state->CRTC[NV_CIO_CRE_49]); |
| 121 | NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_SETUP, |
| 122 | state->tv_setup); |
| 123 | } |
| 124 | |
| 125 | static void nv04_tv_prepare(struct drm_encoder *encoder) |
| 126 | { |
| 127 | struct drm_device *dev = encoder->dev; |
| 128 | int head = nouveau_crtc(encoder->crtc)->index; |
Jani Nikula | d58ded7 | 2015-03-11 11:51:04 +0200 | [diff] [blame] | 129 | const struct drm_encoder_helper_funcs *helper = encoder->helper_private; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 130 | |
| 131 | helper->dpms(encoder, DRM_MODE_DPMS_OFF); |
| 132 | |
| 133 | nv04_dfp_disable(dev, head); |
| 134 | |
| 135 | if (nv_two_heads(dev)) |
| 136 | nv04_tv_bind(dev, head ^ 1, false); |
| 137 | |
| 138 | nv04_tv_bind(dev, head, true); |
| 139 | } |
| 140 | |
| 141 | static void nv04_tv_mode_set(struct drm_encoder *encoder, |
| 142 | struct drm_display_mode *mode, |
| 143 | struct drm_display_mode *adjusted_mode) |
| 144 | { |
| 145 | struct drm_device *dev = encoder->dev; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 146 | struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); |
Ben Skeggs | 017e6e2 | 2012-07-18 10:00:50 +1000 | [diff] [blame] | 147 | struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index]; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 148 | |
| 149 | regp->tv_htotal = adjusted_mode->htotal; |
| 150 | regp->tv_vtotal = adjusted_mode->vtotal; |
| 151 | |
| 152 | /* These delay the TV signals with respect to the VGA port, |
| 153 | * they might be useful if we ever allow a CRTC to drive |
| 154 | * multiple outputs. |
| 155 | */ |
| 156 | regp->tv_hskew = 1; |
| 157 | regp->tv_hsync_delay = 1; |
| 158 | regp->tv_hsync_delay2 = 64; |
| 159 | regp->tv_vskew = 1; |
| 160 | regp->tv_vsync_delay = 1; |
| 161 | |
Francisco Jerez | 4a9f822 | 2010-07-20 16:48:08 +0200 | [diff] [blame] | 162 | get_slave_funcs(encoder)->mode_set(encoder, mode, adjusted_mode); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 163 | } |
| 164 | |
| 165 | static void nv04_tv_commit(struct drm_encoder *encoder) |
| 166 | { |
| 167 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| 168 | struct drm_device *dev = encoder->dev; |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame] | 169 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 170 | struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); |
Jani Nikula | d58ded7 | 2015-03-11 11:51:04 +0200 | [diff] [blame] | 171 | const struct drm_encoder_helper_funcs *helper = encoder->helper_private; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 172 | |
| 173 | helper->dpms(encoder, DRM_MODE_DPMS_ON); |
| 174 | |
Ben Skeggs | cee59f1 | 2012-10-29 09:03:07 +1000 | [diff] [blame] | 175 | NV_DEBUG(drm, "Output %s is running on CRTC %d using output %c\n", |
Jani Nikula | 8c6c361 | 2014-06-03 14:56:18 +0300 | [diff] [blame] | 176 | nouveau_encoder_connector_get(nv_encoder)->base.name, |
| 177 | nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 178 | } |
| 179 | |
| 180 | static void nv04_tv_destroy(struct drm_encoder *encoder) |
| 181 | { |
Francisco Jerez | 4a9f822 | 2010-07-20 16:48:08 +0200 | [diff] [blame] | 182 | get_slave_funcs(encoder)->destroy(encoder); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 183 | drm_encoder_cleanup(encoder); |
| 184 | |
Francisco Jerez | 6d416d8 | 2010-07-19 15:55:08 +0200 | [diff] [blame] | 185 | kfree(encoder->helper_private); |
| 186 | kfree(nouveau_encoder(encoder)); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 187 | } |
| 188 | |
Francisco Jerez | 6d416d8 | 2010-07-19 15:55:08 +0200 | [diff] [blame] | 189 | static const struct drm_encoder_funcs nv04_tv_funcs = { |
| 190 | .destroy = nv04_tv_destroy, |
| 191 | }; |
| 192 | |
Rob Clark | b3d3de8 | 2013-01-08 19:19:13 -0600 | [diff] [blame] | 193 | static const struct drm_encoder_helper_funcs nv04_tv_helper_funcs = { |
| 194 | .dpms = nv04_tv_dpms, |
Rob Clark | b3d3de8 | 2013-01-08 19:19:13 -0600 | [diff] [blame] | 195 | .mode_fixup = drm_i2c_encoder_mode_fixup, |
| 196 | .prepare = nv04_tv_prepare, |
| 197 | .commit = nv04_tv_commit, |
| 198 | .mode_set = nv04_tv_mode_set, |
| 199 | .detect = drm_i2c_encoder_detect, |
| 200 | }; |
| 201 | |
Ben Skeggs | 8f1a608 | 2010-06-28 14:35:50 +1000 | [diff] [blame] | 202 | int |
Ben Skeggs | cb75d97 | 2012-07-11 10:44:20 +1000 | [diff] [blame] | 203 | nv04_tv_create(struct drm_connector *connector, struct dcb_output *entry) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 204 | { |
| 205 | struct nouveau_encoder *nv_encoder; |
| 206 | struct drm_encoder *encoder; |
Ben Skeggs | 8f1a608 | 2010-06-28 14:35:50 +1000 | [diff] [blame] | 207 | struct drm_device *dev = connector->dev; |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame] | 208 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | be83cd4 | 2015-01-14 15:36:34 +1000 | [diff] [blame] | 209 | struct nvkm_i2c *i2c = nvxx_i2c(&drm->device); |
Ben Skeggs | 2aa5eac | 2015-08-20 14:54:15 +1000 | [diff] [blame] | 210 | struct nvkm_i2c_bus *bus = nvkm_i2c_bus_find(i2c, entry->i2c_index); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 211 | int type, ret; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 212 | |
| 213 | /* Ensure that we can talk to this encoder */ |
Francisco Jerez | 6d416d8 | 2010-07-19 15:55:08 +0200 | [diff] [blame] | 214 | type = nv04_tv_identify(dev, entry->i2c_index); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 215 | if (type < 0) |
| 216 | return type; |
| 217 | |
| 218 | /* Allocate the necessary memory */ |
| 219 | nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL); |
| 220 | if (!nv_encoder) |
| 221 | return -ENOMEM; |
| 222 | |
| 223 | /* Initialize the common members */ |
| 224 | encoder = to_drm_encoder(nv_encoder); |
| 225 | |
Ville Syrjälä | 13a3d91 | 2015-12-09 16:20:18 +0200 | [diff] [blame] | 226 | drm_encoder_init(dev, encoder, &nv04_tv_funcs, DRM_MODE_ENCODER_TVDAC, |
| 227 | NULL); |
Rob Clark | b3d3de8 | 2013-01-08 19:19:13 -0600 | [diff] [blame] | 228 | drm_encoder_helper_add(encoder, &nv04_tv_helper_funcs); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 229 | |
Daniel Vetter | 129b782 | 2015-12-04 17:14:07 +0100 | [diff] [blame] | 230 | nv_encoder->enc_save = drm_i2c_encoder_save; |
| 231 | nv_encoder->enc_restore = drm_i2c_encoder_restore; |
| 232 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 233 | encoder->possible_crtcs = entry->heads; |
| 234 | encoder->possible_clones = 0; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 235 | nv_encoder->dcb = entry; |
| 236 | nv_encoder->or = ffs(entry->or) - 1; |
| 237 | |
| 238 | /* Run the slave-specific initialization */ |
Francisco Jerez | 6d416d8 | 2010-07-19 15:55:08 +0200 | [diff] [blame] | 239 | ret = drm_i2c_encoder_init(dev, to_encoder_slave(encoder), |
Ben Skeggs | 2aa5eac | 2015-08-20 14:54:15 +1000 | [diff] [blame] | 240 | &bus->i2c, |
Martin Peres | 9e2b734 | 2013-10-21 01:48:55 +0200 | [diff] [blame] | 241 | &nv04_tv_encoder_info[type].dev); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 242 | if (ret < 0) |
Francisco Jerez | 6d416d8 | 2010-07-19 15:55:08 +0200 | [diff] [blame] | 243 | goto fail_cleanup; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 244 | |
Francisco Jerez | 6d416d8 | 2010-07-19 15:55:08 +0200 | [diff] [blame] | 245 | /* Attach it to the specified connector. */ |
Rob Clark | b3d3de8 | 2013-01-08 19:19:13 -0600 | [diff] [blame] | 246 | get_slave_funcs(encoder)->create_resources(encoder, connector); |
Ben Skeggs | 8f1a608 | 2010-06-28 14:35:50 +1000 | [diff] [blame] | 247 | drm_mode_connector_attach_encoder(connector, encoder); |
Francisco Jerez | 6d416d8 | 2010-07-19 15:55:08 +0200 | [diff] [blame] | 248 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 249 | return 0; |
| 250 | |
Francisco Jerez | 6d416d8 | 2010-07-19 15:55:08 +0200 | [diff] [blame] | 251 | fail_cleanup: |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 252 | drm_encoder_cleanup(encoder); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 253 | kfree(nv_encoder); |
| 254 | return ret; |
| 255 | } |