--- /dev/null
+/*
+ * Copyright (C) 2009 Francisco Jerez.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sublicense, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial
+ * portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
+ * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+ * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+#include <drm/drmP.h>
+#include "nouveau_drm.h"
+#include "nouveau_reg.h"
+#include "nouveau_encoder.h"
+#include "nouveau_connector.h"
+#include "nouveau_crtc.h"
+#include "hw.h"
+#include <drm/drm_crtc_helper.h>
+
+#include <drm/i2c/ch7006.h>
+
+static struct nvkm_i2c_board_info nv04_tv_encoder_info[] = {
+ {
+ {
+ I2C_BOARD_INFO("ch7006", 0x75),
+ .platform_data = &(struct ch7006_encoder_params) {
+ CH7006_FORMAT_RGB24m12I, CH7006_CLOCK_MASTER,
+ 0, 0, 0,
+ CH7006_SYNC_SLAVE, CH7006_SYNC_SEPARATED,
+ CH7006_POUT_3_3V, CH7006_ACTIVE_HSYNC
+ }
+ },
+ 0
+ },
+ { }
+};
+
+int nv04_tv_identify(struct drm_device *dev, int i2c_index)
+{
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
+
+ return i2c->identify(i2c, i2c_index, "TV encoder",
+ nv04_tv_encoder_info, NULL, NULL);
+}
+
+
+#define PLLSEL_TV_CRTC1_MASK \
+ (NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK1 \
+ | NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK1)
+#define PLLSEL_TV_CRTC2_MASK \
+ (NV_PRAMDAC_PLL_COEFF_SELECT_TV_VSCLK2 \
+ | NV_PRAMDAC_PLL_COEFF_SELECT_TV_PCLK2)
+
+static void nv04_tv_dpms(struct drm_encoder *encoder, int mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+ struct nv04_mode_state *state = &nv04_display(dev)->mode_reg;
+ uint8_t crtc1A;
+
+ NV_DEBUG(drm, "Setting dpms mode %d on TV encoder (output %d)\n",
+ mode, nv_encoder->dcb->index);
+
+ state->pllsel &= ~(PLLSEL_TV_CRTC1_MASK | PLLSEL_TV_CRTC2_MASK);
+
+ if (mode == DRM_MODE_DPMS_ON) {
+ int head = nouveau_crtc(encoder->crtc)->index;
+ crtc1A = NVReadVgaCrtc(dev, head, NV_CIO_CRE_RPC1_INDEX);
+
+ state->pllsel |= head ? PLLSEL_TV_CRTC2_MASK :
+ PLLSEL_TV_CRTC1_MASK;
+
+ /* Inhibit hsync */
+ crtc1A |= 0x80;
+
+ NVWriteVgaCrtc(dev, head, NV_CIO_CRE_RPC1_INDEX, crtc1A);
+ }
+
+ NVWriteRAMDAC(dev, 0, NV_PRAMDAC_PLL_COEFF_SELECT, state->pllsel);
+
+ get_slave_funcs(encoder)->dpms(encoder, mode);
+}
+
+static void nv04_tv_bind(struct drm_device *dev, int head, bool bind)
+{
+ struct nv04_crtc_reg *state = &nv04_display(dev)->mode_reg.crtc_reg[head];
+
+ state->tv_setup = 0;
+
+ if (bind)
+ state->CRTC[NV_CIO_CRE_49] |= 0x10;
+ else
+ state->CRTC[NV_CIO_CRE_49] &= ~0x10;
+
+ NVWriteVgaCrtc(dev, head, NV_CIO_CRE_LCD__INDEX,
+ state->CRTC[NV_CIO_CRE_LCD__INDEX]);
+ NVWriteVgaCrtc(dev, head, NV_CIO_CRE_49,
+ state->CRTC[NV_CIO_CRE_49]);
+ NVWriteRAMDAC(dev, head, NV_PRAMDAC_TV_SETUP,
+ state->tv_setup);
+}
+
+static void nv04_tv_prepare(struct drm_encoder *encoder)
+{
+ struct drm_device *dev = encoder->dev;
+ int head = nouveau_crtc(encoder->crtc)->index;
+ const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
+
+ helper->dpms(encoder, DRM_MODE_DPMS_OFF);
+
+ nv04_dfp_disable(dev, head);
+
+ if (nv_two_heads(dev))
+ nv04_tv_bind(dev, head ^ 1, false);
+
+ nv04_tv_bind(dev, head, true);
+}
+
+static void nv04_tv_mode_set(struct drm_encoder *encoder,
+ struct drm_display_mode *mode,
+ struct drm_display_mode *adjusted_mode)
+{
+ struct drm_device *dev = encoder->dev;
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
+ struct nv04_crtc_reg *regp = &nv04_display(dev)->mode_reg.crtc_reg[nv_crtc->index];
+
+ regp->tv_htotal = adjusted_mode->htotal;
+ regp->tv_vtotal = adjusted_mode->vtotal;
+
+ /* These delay the TV signals with respect to the VGA port,
+ * they might be useful if we ever allow a CRTC to drive
+ * multiple outputs.
+ */
+ regp->tv_hskew = 1;
+ regp->tv_hsync_delay = 1;
+ regp->tv_hsync_delay2 = 64;
+ regp->tv_vskew = 1;
+ regp->tv_vsync_delay = 1;
+
+ get_slave_funcs(encoder)->mode_set(encoder, mode, adjusted_mode);
+}
+
+static void nv04_tv_commit(struct drm_encoder *encoder)
+{
+ struct nouveau_encoder *nv_encoder = nouveau_encoder(encoder);
+ struct drm_device *dev = encoder->dev;
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_crtc *nv_crtc = nouveau_crtc(encoder->crtc);
+ const struct drm_encoder_helper_funcs *helper = encoder->helper_private;
+
+ helper->dpms(encoder, DRM_MODE_DPMS_ON);
+
+ NV_DEBUG(drm, "Output %s is running on CRTC %d using output %c\n",
+ nouveau_encoder_connector_get(nv_encoder)->base.name,
+ nv_crtc->index, '@' + ffs(nv_encoder->dcb->or));
+}
+
+static void nv04_tv_destroy(struct drm_encoder *encoder)
+{
+ get_slave_funcs(encoder)->destroy(encoder);
+ drm_encoder_cleanup(encoder);
+
+ kfree(encoder->helper_private);
+ kfree(nouveau_encoder(encoder));
+}
+
+static const struct drm_encoder_funcs nv04_tv_funcs = {
+ .destroy = nv04_tv_destroy,
+};
+
+static const struct drm_encoder_helper_funcs nv04_tv_helper_funcs = {
+ .dpms = nv04_tv_dpms,
+ .save = drm_i2c_encoder_save,
+ .restore = drm_i2c_encoder_restore,
+ .mode_fixup = drm_i2c_encoder_mode_fixup,
+ .prepare = nv04_tv_prepare,
+ .commit = nv04_tv_commit,
+ .mode_set = nv04_tv_mode_set,
+ .detect = drm_i2c_encoder_detect,
+};
+
+int
+nv04_tv_create(struct drm_connector *connector, struct dcb_output *entry)
+{
+ struct nouveau_encoder *nv_encoder;
+ struct drm_encoder *encoder;
+ struct drm_device *dev = connector->dev;
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nvkm_i2c *i2c = nvxx_i2c(&drm->device);
+ struct nvkm_i2c_port *port = i2c->find(i2c, entry->i2c_index);
+ int type, ret;
+
+ /* Ensure that we can talk to this encoder */
+ type = nv04_tv_identify(dev, entry->i2c_index);
+ if (type < 0)
+ return type;
+
+ /* Allocate the necessary memory */
+ nv_encoder = kzalloc(sizeof(*nv_encoder), GFP_KERNEL);
+ if (!nv_encoder)
+ return -ENOMEM;
+
+ /* Initialize the common members */
+ encoder = to_drm_encoder(nv_encoder);
+
+ drm_encoder_init(dev, encoder, &nv04_tv_funcs, DRM_MODE_ENCODER_TVDAC);
+ drm_encoder_helper_add(encoder, &nv04_tv_helper_funcs);
+
+ encoder->possible_crtcs = entry->heads;
+ encoder->possible_clones = 0;
+ nv_encoder->dcb = entry;
+ nv_encoder->or = ffs(entry->or) - 1;
+
+ /* Run the slave-specific initialization */
+ ret = drm_i2c_encoder_init(dev, to_encoder_slave(encoder),
+ &port->adapter,
+ &nv04_tv_encoder_info[type].dev);
+ if (ret < 0)
+ goto fail_cleanup;
+
+ /* Attach it to the specified connector. */
+ get_slave_funcs(encoder)->create_resources(encoder, connector);
+ drm_mode_connector_attach_encoder(connector, encoder);
+
+ return 0;
+
+fail_cleanup:
+ drm_encoder_cleanup(encoder);
+ kfree(nv_encoder);
+ return ret;
+}
Code Review / kvmfornfv.git / blobdiff