Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2003 NVIDIA, Corporation |
| 3 | * Copyright 2006 Dave Airlie |
| 4 | * Copyright 2007 Maarten Maathuis |
| 5 | * Copyright 2007-2009 Stuart Bennett |
| 6 | * |
| 7 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 8 | * copy of this software and associated documentation files (the "Software"), |
| 9 | * to deal in the Software without restriction, including without limitation |
| 10 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 11 | * and/or sell copies of the Software, and to permit persons to whom the |
| 12 | * Software is furnished to do so, subject to the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the next |
| 15 | * paragraph) shall be included in all copies or substantial portions of the |
| 16 | * Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 20 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 21 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 22 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| 23 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| 24 | * DEALINGS IN THE SOFTWARE. |
| 25 | */ |
| 26 | |
| 27 | #include "drmP.h" |
| 28 | #include "drm_crtc_helper.h" |
| 29 | |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 30 | #include "nouveau_drm.h" |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 31 | #include "nouveau_encoder.h" |
| 32 | #include "nouveau_connector.h" |
| 33 | #include "nouveau_crtc.h" |
| 34 | #include "nouveau_hw.h" |
| 35 | #include "nvreg.h" |
| 36 | |
Ben Skeggs | e0996ae | 2012-07-10 12:20:17 +1000 | [diff] [blame] | 37 | #include <subdev/bios/gpio.h> |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 38 | #include <subdev/gpio.h> |
| 39 | #include <subdev/timer.h> |
Ben Skeggs | e0996ae | 2012-07-10 12:20:17 +1000 | [diff] [blame] | 40 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 41 | int nv04_dac_output_offset(struct drm_encoder *encoder) |
| 42 | { |
Ben Skeggs | cb75d97 | 2012-07-11 10:44:20 +1000 | [diff] [blame] | 43 | struct dcb_output *dcb = nouveau_encoder(encoder)->dcb; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 44 | int offset = 0; |
| 45 | |
Ben Skeggs | cb75d97 | 2012-07-11 10:44:20 +1000 | [diff] [blame] | 46 | if (dcb->or & (8 | DCB_OUTPUT_C)) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 47 | offset += 0x68; |
Ben Skeggs | cb75d97 | 2012-07-11 10:44:20 +1000 | [diff] [blame] | 48 | if (dcb->or & (8 | DCB_OUTPUT_B)) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 49 | offset += 0x2000; |
| 50 | |
| 51 | return offset; |
| 52 | } |
| 53 | |
| 54 | /* |
| 55 | * arbitrary limit to number of sense oscillations tolerated in one sample |
| 56 | * period (observed to be at least 13 in "nvidia") |
| 57 | */ |
| 58 | #define MAX_HBLANK_OSC 20 |
| 59 | |
| 60 | /* |
| 61 | * arbitrary limit to number of conflicting sample pairs to tolerate at a |
| 62 | * voltage step (observed to be at least 5 in "nvidia") |
| 63 | */ |
| 64 | #define MAX_SAMPLE_PAIRS 10 |
| 65 | |
| 66 | static int sample_load_twice(struct drm_device *dev, bool sense[2]) |
| 67 | { |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 68 | struct nouveau_device *device = nouveau_dev(dev); |
| 69 | struct nouveau_timer *ptimer = nouveau_timer(device); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 70 | int i; |
| 71 | |
| 72 | for (i = 0; i < 2; i++) { |
| 73 | bool sense_a, sense_b, sense_b_prime; |
| 74 | int j = 0; |
| 75 | |
| 76 | /* |
| 77 | * wait for bit 0 clear -- out of hblank -- (say reg value 0x4), |
| 78 | * then wait for transition 0x4->0x5->0x4: enter hblank, leave |
| 79 | * hblank again |
| 80 | * use a 10ms timeout (guards against crtc being inactive, in |
| 81 | * which case blank state would never change) |
| 82 | */ |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 83 | if (!nouveau_timer_wait_eq(ptimer, 10000000, |
| 84 | NV_PRMCIO_INP0__COLOR, |
| 85 | 0x00000001, 0x00000000)) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 86 | return -EBUSY; |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 87 | if (!nouveau_timer_wait_eq(ptimer, 10000000, |
| 88 | NV_PRMCIO_INP0__COLOR, |
| 89 | 0x00000001, 0x00000001)) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 90 | return -EBUSY; |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 91 | if (!nouveau_timer_wait_eq(ptimer, 10000000, |
| 92 | NV_PRMCIO_INP0__COLOR, |
| 93 | 0x00000001, 0x00000000)) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 94 | return -EBUSY; |
| 95 | |
| 96 | udelay(100); |
| 97 | /* when level triggers, sense is _LO_ */ |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 98 | sense_a = nv_rd08(device, NV_PRMCIO_INP0) & 0x10; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 99 | |
| 100 | /* take another reading until it agrees with sense_a... */ |
| 101 | do { |
| 102 | udelay(100); |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 103 | sense_b = nv_rd08(device, NV_PRMCIO_INP0) & 0x10; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 104 | if (sense_a != sense_b) { |
| 105 | sense_b_prime = |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 106 | nv_rd08(device, NV_PRMCIO_INP0) & 0x10; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 107 | if (sense_b == sense_b_prime) { |
| 108 | /* ... unless two consecutive subsequent |
| 109 | * samples agree; sense_a is replaced */ |
| 110 | sense_a = sense_b; |
| 111 | /* force mis-match so we loop */ |
| 112 | sense_b = !sense_a; |
| 113 | } |
| 114 | } |
| 115 | } while ((sense_a != sense_b) && ++j < MAX_HBLANK_OSC); |
| 116 | |
| 117 | if (j == MAX_HBLANK_OSC) |
| 118 | /* with so much oscillation, default to sense:LO */ |
| 119 | sense[i] = false; |
| 120 | else |
| 121 | sense[i] = sense_a; |
| 122 | } |
| 123 | |
| 124 | return 0; |
| 125 | } |
| 126 | |
| 127 | static enum drm_connector_status nv04_dac_detect(struct drm_encoder *encoder, |
| 128 | struct drm_connector *connector) |
| 129 | { |
| 130 | struct drm_device *dev = encoder->dev; |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 131 | struct nouveau_device *device = nouveau_dev(dev); |
| 132 | struct nouveau_drm *drm = nouveau_drm(dev); |
Francisco Jerez | e7e65ca | 2010-02-10 19:25:58 +0100 | [diff] [blame] | 133 | uint8_t saved_seq1, saved_pi, saved_rpc1, saved_cr_mode; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 134 | uint8_t saved_palette0[3], saved_palette_mask; |
| 135 | uint32_t saved_rtest_ctrl, saved_rgen_ctrl; |
| 136 | int i; |
| 137 | uint8_t blue; |
| 138 | bool sense = true; |
| 139 | |
| 140 | /* |
| 141 | * for this detection to work, there needs to be a mode set up on the |
| 142 | * CRTC. this is presumed to be the case |
| 143 | */ |
| 144 | |
| 145 | if (nv_two_heads(dev)) |
| 146 | /* only implemented for head A for now */ |
| 147 | NVSetOwner(dev, 0); |
| 148 | |
Francisco Jerez | e7e65ca | 2010-02-10 19:25:58 +0100 | [diff] [blame] | 149 | saved_cr_mode = NVReadVgaCrtc(dev, 0, NV_CIO_CR_MODE_INDEX); |
| 150 | NVWriteVgaCrtc(dev, 0, NV_CIO_CR_MODE_INDEX, saved_cr_mode | 0x80); |
| 151 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 152 | saved_seq1 = NVReadVgaSeq(dev, 0, NV_VIO_SR_CLOCK_INDEX); |
| 153 | NVWriteVgaSeq(dev, 0, NV_VIO_SR_CLOCK_INDEX, saved_seq1 & ~0x20); |
| 154 | |
| 155 | saved_rtest_ctrl = NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL); |
| 156 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL, |
| 157 | saved_rtest_ctrl & ~NV_PRAMDAC_TEST_CONTROL_PWRDWN_DAC_OFF); |
| 158 | |
| 159 | msleep(10); |
| 160 | |
| 161 | saved_pi = NVReadVgaCrtc(dev, 0, NV_CIO_CRE_PIXEL_INDEX); |
| 162 | NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_PIXEL_INDEX, |
| 163 | saved_pi & ~(0x80 | MASK(NV_CIO_CRE_PIXEL_FORMAT))); |
| 164 | saved_rpc1 = NVReadVgaCrtc(dev, 0, NV_CIO_CRE_RPC1_INDEX); |
| 165 | NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_RPC1_INDEX, saved_rpc1 & ~0xc0); |
| 166 | |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 167 | nv_wr08(device, NV_PRMDIO_READ_MODE_ADDRESS, 0x0); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 168 | for (i = 0; i < 3; i++) |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 169 | saved_palette0[i] = nv_rd08(device, NV_PRMDIO_PALETTE_DATA); |
| 170 | saved_palette_mask = nv_rd08(device, NV_PRMDIO_PIXEL_MASK); |
| 171 | nv_wr08(device, NV_PRMDIO_PIXEL_MASK, 0); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 172 | |
| 173 | saved_rgen_ctrl = NVReadRAMDAC(dev, 0, NV_PRAMDAC_GENERAL_CONTROL); |
| 174 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_GENERAL_CONTROL, |
| 175 | (saved_rgen_ctrl & ~(NV_PRAMDAC_GENERAL_CONTROL_BPC_8BITS | |
| 176 | NV_PRAMDAC_GENERAL_CONTROL_TERMINATION_75OHM)) | |
| 177 | NV_PRAMDAC_GENERAL_CONTROL_PIXMIX_ON); |
| 178 | |
| 179 | blue = 8; /* start of test range */ |
| 180 | |
| 181 | do { |
| 182 | bool sense_pair[2]; |
| 183 | |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 184 | nv_wr08(device, NV_PRMDIO_WRITE_MODE_ADDRESS, 0); |
| 185 | nv_wr08(device, NV_PRMDIO_PALETTE_DATA, 0); |
| 186 | nv_wr08(device, NV_PRMDIO_PALETTE_DATA, 0); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 187 | /* testing blue won't find monochrome monitors. I don't care */ |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 188 | nv_wr08(device, NV_PRMDIO_PALETTE_DATA, blue); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 189 | |
| 190 | i = 0; |
| 191 | /* take sample pairs until both samples in the pair agree */ |
| 192 | do { |
| 193 | if (sample_load_twice(dev, sense_pair)) |
| 194 | goto out; |
| 195 | } while ((sense_pair[0] != sense_pair[1]) && |
| 196 | ++i < MAX_SAMPLE_PAIRS); |
| 197 | |
| 198 | if (i == MAX_SAMPLE_PAIRS) |
| 199 | /* too much oscillation defaults to LO */ |
| 200 | sense = false; |
| 201 | else |
| 202 | sense = sense_pair[0]; |
| 203 | |
| 204 | /* |
| 205 | * if sense goes LO before blue ramps to 0x18, monitor is not connected. |
| 206 | * ergo, if blue gets to 0x18, monitor must be connected |
| 207 | */ |
| 208 | } while (++blue < 0x18 && sense); |
| 209 | |
| 210 | out: |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 211 | nv_wr08(device, NV_PRMDIO_PIXEL_MASK, saved_palette_mask); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 212 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_GENERAL_CONTROL, saved_rgen_ctrl); |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 213 | nv_wr08(device, NV_PRMDIO_WRITE_MODE_ADDRESS, 0); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 214 | for (i = 0; i < 3; i++) |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 215 | nv_wr08(device, NV_PRMDIO_PALETTE_DATA, saved_palette0[i]); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 216 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL, saved_rtest_ctrl); |
| 217 | NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_PIXEL_INDEX, saved_pi); |
| 218 | NVWriteVgaCrtc(dev, 0, NV_CIO_CRE_RPC1_INDEX, saved_rpc1); |
| 219 | NVWriteVgaSeq(dev, 0, NV_VIO_SR_CLOCK_INDEX, saved_seq1); |
Francisco Jerez | e7e65ca | 2010-02-10 19:25:58 +0100 | [diff] [blame] | 220 | NVWriteVgaCrtc(dev, 0, NV_CIO_CR_MODE_INDEX, saved_cr_mode); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 221 | |
| 222 | if (blue == 0x18) { |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 223 | NV_INFO(drm, "Load detected on head A\n"); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 224 | return connector_status_connected; |
| 225 | } |
| 226 | |
| 227 | return connector_status_disconnected; |
| 228 | } |
| 229 | |
Francisco Jerez | 11d6eb2 | 2009-12-17 18:52:44 +0100 | [diff] [blame] | 230 | uint32_t nv17_dac_sample_load(struct drm_encoder *encoder) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 231 | { |
| 232 | struct drm_device *dev = encoder->dev; |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 233 | struct nouveau_drm *drm = nouveau_drm(dev); |
| 234 | struct nouveau_device *device = nouveau_dev(dev); |
| 235 | struct nouveau_gpio *gpio = nouveau_gpio(device); |
Ben Skeggs | cb75d97 | 2012-07-11 10:44:20 +1000 | [diff] [blame] | 236 | struct dcb_output *dcb = nouveau_encoder(encoder)->dcb; |
Francisco Jerez | 11d6eb2 | 2009-12-17 18:52:44 +0100 | [diff] [blame] | 237 | uint32_t sample, testval, regoffset = nv04_dac_output_offset(encoder); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 238 | uint32_t saved_powerctrl_2 = 0, saved_powerctrl_4 = 0, saved_routput, |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 239 | saved_rtest_ctrl, saved_gpio0 = 0, saved_gpio1 = 0, temp, routput; |
Francisco Jerez | 11d6eb2 | 2009-12-17 18:52:44 +0100 | [diff] [blame] | 240 | int head; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 241 | |
| 242 | #define RGB_TEST_DATA(r, g, b) (r << 0 | g << 10 | b << 20) |
Ben Skeggs | cb75d97 | 2012-07-11 10:44:20 +1000 | [diff] [blame] | 243 | if (dcb->type == DCB_OUTPUT_TV) { |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 244 | testval = RGB_TEST_DATA(0xa0, 0xa0, 0xa0); |
| 245 | |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 246 | if (drm->vbios.tvdactestval) |
| 247 | testval = drm->vbios.tvdactestval; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 248 | } else { |
| 249 | testval = RGB_TEST_DATA(0x140, 0x140, 0x140); /* 0x94050140 */ |
| 250 | |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 251 | if (drm->vbios.dactestval) |
| 252 | testval = drm->vbios.dactestval; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 253 | } |
| 254 | |
| 255 | saved_rtest_ctrl = NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset); |
| 256 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset, |
| 257 | saved_rtest_ctrl & ~NV_PRAMDAC_TEST_CONTROL_PWRDWN_DAC_OFF); |
| 258 | |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 259 | saved_powerctrl_2 = nv_rd32(device, NV_PBUS_POWERCTRL_2); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 260 | |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 261 | nv_wr32(device, NV_PBUS_POWERCTRL_2, saved_powerctrl_2 & 0xd7ffffff); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 262 | if (regoffset == 0x68) { |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 263 | saved_powerctrl_4 = nv_rd32(device, NV_PBUS_POWERCTRL_4); |
| 264 | nv_wr32(device, NV_PBUS_POWERCTRL_4, saved_powerctrl_4 & 0xffffffcf); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 265 | } |
| 266 | |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 267 | if (gpio) { |
| 268 | saved_gpio1 = gpio->get(gpio, 0, DCB_GPIO_TVDAC1, 0xff); |
| 269 | saved_gpio0 = gpio->get(gpio, 0, DCB_GPIO_TVDAC0, 0xff); |
| 270 | gpio->set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, dcb->type == DCB_OUTPUT_TV); |
| 271 | gpio->set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, dcb->type == DCB_OUTPUT_TV); |
| 272 | } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 273 | |
| 274 | msleep(4); |
| 275 | |
| 276 | saved_routput = NVReadRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset); |
| 277 | head = (saved_routput & 0x100) >> 8; |
Francisco Jerez | be8860a | 2010-07-03 12:47:14 +0200 | [diff] [blame] | 278 | |
| 279 | /* if there's a spare crtc, using it will minimise flicker */ |
| 280 | if (!(NVReadVgaCrtc(dev, head, NV_CIO_CRE_RPC1_INDEX) & 0xC0)) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 281 | head ^= 1; |
Francisco Jerez | be8860a | 2010-07-03 12:47:14 +0200 | [diff] [blame] | 282 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 283 | /* nv driver and nv31 use 0xfffffeee, nv34 and 6600 use 0xfffffece */ |
| 284 | routput = (saved_routput & 0xfffffece) | head << 8; |
| 285 | |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 286 | if (nv_device(drm->device)->card_type >= NV_40) { |
Ben Skeggs | cb75d97 | 2012-07-11 10:44:20 +1000 | [diff] [blame] | 287 | if (dcb->type == DCB_OUTPUT_TV) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 288 | routput |= 0x1a << 16; |
| 289 | else |
| 290 | routput &= ~(0x1a << 16); |
| 291 | } |
| 292 | |
| 293 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset, routput); |
| 294 | msleep(1); |
| 295 | |
| 296 | temp = NVReadRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset); |
| 297 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset, temp | 1); |
| 298 | |
| 299 | NVWriteRAMDAC(dev, head, NV_PRAMDAC_TESTPOINT_DATA, |
| 300 | NV_PRAMDAC_TESTPOINT_DATA_NOTBLANK | testval); |
| 301 | temp = NVReadRAMDAC(dev, head, NV_PRAMDAC_TEST_CONTROL); |
| 302 | NVWriteRAMDAC(dev, head, NV_PRAMDAC_TEST_CONTROL, |
| 303 | temp | NV_PRAMDAC_TEST_CONTROL_TP_INS_EN_ASSERTED); |
| 304 | msleep(5); |
| 305 | |
Francisco Jerez | 11d6eb2 | 2009-12-17 18:52:44 +0100 | [diff] [blame] | 306 | sample = NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset); |
Francisco Jerez | 7314dec | 2010-08-30 15:37:57 +0200 | [diff] [blame] | 307 | /* do it again just in case it's a residual current */ |
| 308 | sample &= NVReadRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 309 | |
| 310 | temp = NVReadRAMDAC(dev, head, NV_PRAMDAC_TEST_CONTROL); |
| 311 | NVWriteRAMDAC(dev, head, NV_PRAMDAC_TEST_CONTROL, |
| 312 | temp & ~NV_PRAMDAC_TEST_CONTROL_TP_INS_EN_ASSERTED); |
| 313 | NVWriteRAMDAC(dev, head, NV_PRAMDAC_TESTPOINT_DATA, 0); |
| 314 | |
| 315 | /* bios does something more complex for restoring, but I think this is good enough */ |
| 316 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + regoffset, saved_routput); |
| 317 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + regoffset, saved_rtest_ctrl); |
| 318 | if (regoffset == 0x68) |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 319 | nv_wr32(device, NV_PBUS_POWERCTRL_4, saved_powerctrl_4); |
| 320 | nv_wr32(device, NV_PBUS_POWERCTRL_2, saved_powerctrl_2); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 321 | |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 322 | if (gpio) { |
| 323 | gpio->set(gpio, 0, DCB_GPIO_TVDAC1, 0xff, saved_gpio1); |
| 324 | gpio->set(gpio, 0, DCB_GPIO_TVDAC0, 0xff, saved_gpio0); |
| 325 | } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 326 | |
Francisco Jerez | 11d6eb2 | 2009-12-17 18:52:44 +0100 | [diff] [blame] | 327 | return sample; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 328 | } |
| 329 | |
Francisco Jerez | 11d6eb2 | 2009-12-17 18:52:44 +0100 | [diff] [blame] | 330 | static enum drm_connector_status |
| 331 | nv17_dac_detect(struct drm_encoder *encoder, struct drm_connector *connector) |
| 332 | { |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 333 | struct nouveau_drm *drm = nouveau_drm(encoder->dev); |
Ben Skeggs | cb75d97 | 2012-07-11 10:44:20 +1000 | [diff] [blame] | 334 | struct dcb_output *dcb = nouveau_encoder(encoder)->dcb; |
Francisco Jerez | 11d6eb2 | 2009-12-17 18:52:44 +0100 | [diff] [blame] | 335 | |
Francisco Jerez | 8ccfe9e | 2010-07-04 16:14:42 +0200 | [diff] [blame] | 336 | if (nv04_dac_in_use(encoder)) |
| 337 | return connector_status_disconnected; |
| 338 | |
| 339 | if (nv17_dac_sample_load(encoder) & |
| 340 | NV_PRAMDAC_TEST_CONTROL_SENSEB_ALLHI) { |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 341 | NV_INFO(drm, "Load detected on output %c\n", |
Francisco Jerez | 11d6eb2 | 2009-12-17 18:52:44 +0100 | [diff] [blame] | 342 | '@' + ffs(dcb->or)); |
| 343 | return connector_status_connected; |
| 344 | } else { |
| 345 | return connector_status_disconnected; |
| 346 | } |
| 347 | } |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 348 | |
| 349 | static bool nv04_dac_mode_fixup(struct drm_encoder *encoder, |
Laurent Pinchart | e811f5a | 2012-07-17 17:56:50 +0200 | [diff] [blame] | 350 | const struct drm_display_mode *mode, |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 351 | struct drm_display_mode *adjusted_mode) |
| 352 | { |
Francisco Jerez | 8ccfe9e | 2010-07-04 16:14:42 +0200 | [diff] [blame] | 353 | if (nv04_dac_in_use(encoder)) |
| 354 | return false; |
| 355 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 356 | return true; |
| 357 | } |
| 358 | |
| 359 | static void nv04_dac_prepare(struct drm_encoder *encoder) |
| 360 | { |
| 361 | struct drm_encoder_helper_funcs *helper = encoder->helper_private; |
| 362 | struct drm_device *dev = encoder->dev; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 363 | int head = nouveau_crtc(encoder->crtc)->index; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 364 | |
| 365 | helper->dpms(encoder, DRM_MODE_DPMS_OFF); |
| 366 | |
| 367 | nv04_dfp_disable(dev, head); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 368 | } |
| 369 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 370 | static void nv04_dac_mode_set(struct drm_encoder *encoder, |
| 371 | struct drm_display_mode *mode, |
| 372 | struct drm_display_mode *adjusted_mode) |
| 373 | { |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 374 | struct drm_device *dev = encoder->dev; |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 375 | struct nouveau_drm *drm = nouveau_drm(dev); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 376 | int head = nouveau_crtc(encoder->crtc)->index; |
| 377 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 378 | if (nv_gf4_disp_arch(dev)) { |
| 379 | struct drm_encoder *rebind; |
| 380 | uint32_t dac_offset = nv04_dac_output_offset(encoder); |
| 381 | uint32_t otherdac; |
| 382 | |
| 383 | /* bit 16-19 are bits that are set on some G70 cards, |
| 384 | * but don't seem to have much effect */ |
| 385 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + dac_offset, |
| 386 | head << 8 | NV_PRAMDAC_DACCLK_SEL_DACCLK); |
| 387 | /* force any other vga encoders to bind to the other crtc */ |
| 388 | list_for_each_entry(rebind, &dev->mode_config.encoder_list, head) { |
| 389 | if (rebind == encoder |
Ben Skeggs | cb75d97 | 2012-07-11 10:44:20 +1000 | [diff] [blame] | 390 | || nouveau_encoder(rebind)->dcb->type != DCB_OUTPUT_ANALOG) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 391 | continue; |
| 392 | |
| 393 | dac_offset = nv04_dac_output_offset(rebind); |
| 394 | otherdac = NVReadRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + dac_offset); |
| 395 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + dac_offset, |
| 396 | (otherdac & ~0x0100) | (head ^ 1) << 8); |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | /* This could use refinement for flatpanels, but it should work this way */ |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 401 | if (nv_device(drm->device)->chipset < 0x44) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 402 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + nv04_dac_output_offset(encoder), 0xf0000000); |
| 403 | else |
| 404 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_TEST_CONTROL + nv04_dac_output_offset(encoder), 0x00100000); |
| 405 | } |
| 406 | |
| 407 | static void nv04_dac_commit(struct drm_encoder *encoder) |
| 408 | { |
| 409 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 410 | struct nouveau_drm *drm = nouveau_drm(encoder->dev); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 411 | struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc); |
| 412 | struct drm_encoder_helper_funcs *helper = encoder->helper_private; |
| 413 | |
| 414 | helper->dpms(encoder, DRM_MODE_DPMS_ON); |
| 415 | |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 416 | NV_INFO(drm, "Output %s is running on CRTC %d using output %c\n", |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 417 | drm_get_connector_name(&nouveau_encoder_connector_get(nv_encoder)->base), |
| 418 | nv_crtc->index, '@' + ffs(nv_encoder->dcb->or)); |
| 419 | } |
| 420 | |
| 421 | void nv04_dac_update_dacclk(struct drm_encoder *encoder, bool enable) |
| 422 | { |
| 423 | struct drm_device *dev = encoder->dev; |
Ben Skeggs | cb75d97 | 2012-07-11 10:44:20 +1000 | [diff] [blame] | 424 | struct dcb_output *dcb = nouveau_encoder(encoder)->dcb; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 425 | |
| 426 | if (nv_gf4_disp_arch(dev)) { |
Ben Skeggs | 017e6e2 | 2012-07-18 10:00:50 +1000 | [diff] [blame] | 427 | uint32_t *dac_users = &nv04_display(dev)->dac_users[ffs(dcb->or) - 1]; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 428 | int dacclk_off = NV_PRAMDAC_DACCLK + nv04_dac_output_offset(encoder); |
| 429 | uint32_t dacclk = NVReadRAMDAC(dev, 0, dacclk_off); |
| 430 | |
| 431 | if (enable) { |
| 432 | *dac_users |= 1 << dcb->index; |
| 433 | NVWriteRAMDAC(dev, 0, dacclk_off, dacclk | NV_PRAMDAC_DACCLK_SEL_DACCLK); |
| 434 | |
| 435 | } else { |
| 436 | *dac_users &= ~(1 << dcb->index); |
| 437 | if (!*dac_users) |
| 438 | NVWriteRAMDAC(dev, 0, dacclk_off, |
| 439 | dacclk & ~NV_PRAMDAC_DACCLK_SEL_DACCLK); |
| 440 | } |
| 441 | } |
| 442 | } |
| 443 | |
Francisco Jerez | 8ccfe9e | 2010-07-04 16:14:42 +0200 | [diff] [blame] | 444 | /* Check if the DAC corresponding to 'encoder' is being used by |
| 445 | * someone else. */ |
| 446 | bool nv04_dac_in_use(struct drm_encoder *encoder) |
| 447 | { |
Ben Skeggs | 017e6e2 | 2012-07-18 10:00:50 +1000 | [diff] [blame] | 448 | struct drm_device *dev = encoder->dev; |
Ben Skeggs | cb75d97 | 2012-07-11 10:44:20 +1000 | [diff] [blame] | 449 | struct dcb_output *dcb = nouveau_encoder(encoder)->dcb; |
Francisco Jerez | 8ccfe9e | 2010-07-04 16:14:42 +0200 | [diff] [blame] | 450 | |
| 451 | return nv_gf4_disp_arch(encoder->dev) && |
Ben Skeggs | 017e6e2 | 2012-07-18 10:00:50 +1000 | [diff] [blame] | 452 | (nv04_display(dev)->dac_users[ffs(dcb->or) - 1] & ~(1 << dcb->index)); |
Francisco Jerez | 8ccfe9e | 2010-07-04 16:14:42 +0200 | [diff] [blame] | 453 | } |
| 454 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 455 | static void nv04_dac_dpms(struct drm_encoder *encoder, int mode) |
| 456 | { |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 457 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 458 | struct nouveau_drm *drm = nouveau_drm(encoder->dev); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 459 | |
| 460 | if (nv_encoder->last_dpms == mode) |
| 461 | return; |
| 462 | nv_encoder->last_dpms = mode; |
| 463 | |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame^] | 464 | NV_INFO(drm, "Setting dpms mode %d on vga encoder (output %d)\n", |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 465 | mode, nv_encoder->dcb->index); |
| 466 | |
| 467 | nv04_dac_update_dacclk(encoder, mode == DRM_MODE_DPMS_ON); |
| 468 | } |
| 469 | |
| 470 | static void nv04_dac_save(struct drm_encoder *encoder) |
| 471 | { |
| 472 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| 473 | struct drm_device *dev = encoder->dev; |
| 474 | |
| 475 | if (nv_gf4_disp_arch(dev)) |
| 476 | nv_encoder->restore.output = NVReadRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + |
| 477 | nv04_dac_output_offset(encoder)); |
| 478 | } |
| 479 | |
| 480 | static void nv04_dac_restore(struct drm_encoder *encoder) |
| 481 | { |
| 482 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| 483 | struct drm_device *dev = encoder->dev; |
| 484 | |
| 485 | if (nv_gf4_disp_arch(dev)) |
| 486 | NVWriteRAMDAC(dev, 0, NV_PRAMDAC_DACCLK + nv04_dac_output_offset(encoder), |
| 487 | nv_encoder->restore.output); |
| 488 | |
| 489 | nv_encoder->last_dpms = NV_DPMS_CLEARED; |
| 490 | } |
| 491 | |
| 492 | static void nv04_dac_destroy(struct drm_encoder *encoder) |
| 493 | { |
| 494 | struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder); |
| 495 | |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 496 | drm_encoder_cleanup(encoder); |
| 497 | kfree(nv_encoder); |
| 498 | } |
| 499 | |
| 500 | static const struct drm_encoder_helper_funcs nv04_dac_helper_funcs = { |
| 501 | .dpms = nv04_dac_dpms, |
| 502 | .save = nv04_dac_save, |
| 503 | .restore = nv04_dac_restore, |
| 504 | .mode_fixup = nv04_dac_mode_fixup, |
| 505 | .prepare = nv04_dac_prepare, |
| 506 | .commit = nv04_dac_commit, |
| 507 | .mode_set = nv04_dac_mode_set, |
| 508 | .detect = nv04_dac_detect |
| 509 | }; |
| 510 | |
| 511 | static const struct drm_encoder_helper_funcs nv17_dac_helper_funcs = { |
| 512 | .dpms = nv04_dac_dpms, |
| 513 | .save = nv04_dac_save, |
| 514 | .restore = nv04_dac_restore, |
| 515 | .mode_fixup = nv04_dac_mode_fixup, |
| 516 | .prepare = nv04_dac_prepare, |
| 517 | .commit = nv04_dac_commit, |
| 518 | .mode_set = nv04_dac_mode_set, |
| 519 | .detect = nv17_dac_detect |
| 520 | }; |
| 521 | |
| 522 | static const struct drm_encoder_funcs nv04_dac_funcs = { |
| 523 | .destroy = nv04_dac_destroy, |
| 524 | }; |
| 525 | |
Ben Skeggs | 8f1a608 | 2010-06-28 14:35:50 +1000 | [diff] [blame] | 526 | int |
Ben Skeggs | cb75d97 | 2012-07-11 10:44:20 +1000 | [diff] [blame] | 527 | nv04_dac_create(struct drm_connector *connector, struct dcb_output *entry) |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 528 | { |
| 529 | const struct drm_encoder_helper_funcs *helper; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 530 | struct nouveau_encoder *nv_encoder = NULL; |
Ben Skeggs | 8f1a608 | 2010-06-28 14:35:50 +1000 | [diff] [blame] | 531 | struct drm_device *dev = connector->dev; |
| 532 | struct drm_encoder *encoder; |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 533 | |
| 534 | nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL); |
| 535 | if (!nv_encoder) |
| 536 | return -ENOMEM; |
| 537 | |
| 538 | encoder = to_drm_encoder(nv_encoder); |
| 539 | |
| 540 | nv_encoder->dcb = entry; |
| 541 | nv_encoder->or = ffs(entry->or) - 1; |
| 542 | |
| 543 | if (nv_gf4_disp_arch(dev)) |
| 544 | helper = &nv17_dac_helper_funcs; |
| 545 | else |
| 546 | helper = &nv04_dac_helper_funcs; |
| 547 | |
| 548 | drm_encoder_init(dev, encoder, &nv04_dac_funcs, DRM_MODE_ENCODER_DAC); |
| 549 | drm_encoder_helper_add(encoder, helper); |
| 550 | |
| 551 | encoder->possible_crtcs = entry->heads; |
| 552 | encoder->possible_clones = 0; |
| 553 | |
Ben Skeggs | 8f1a608 | 2010-06-28 14:35:50 +1000 | [diff] [blame] | 554 | drm_mode_connector_attach_encoder(connector, encoder); |
Ben Skeggs | 6ee7386 | 2009-12-11 19:24:15 +1000 | [diff] [blame] | 555 | return 0; |
| 556 | } |