diff options
Diffstat (limited to 'drivers/gpu/drm/i2c/ch7006_drv.c')
| -rw-r--r-- | drivers/gpu/drm/i2c/ch7006_drv.c | 549 |
1 files changed, 0 insertions, 549 deletions
diff --git a/drivers/gpu/drm/i2c/ch7006_drv.c b/drivers/gpu/drm/i2c/ch7006_drv.c deleted file mode 100644 index 131512a5f3bd..000000000000 --- a/drivers/gpu/drm/i2c/ch7006_drv.c +++ /dev/null @@ -1,549 +0,0 @@ -/* - * 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 <linux/module.h> - -#include <drm/drm_crtc_helper.h> - -#include "ch7006_priv.h" - -/* DRM encoder functions */ - -static void ch7006_encoder_set_config(struct drm_encoder *encoder, - void *params) -{ - struct ch7006_priv *priv = to_ch7006_priv(encoder); - - priv->params = *(struct ch7006_encoder_params *)params; -} - -static void ch7006_encoder_destroy(struct drm_encoder *encoder) -{ - struct ch7006_priv *priv = to_ch7006_priv(encoder); - - drm_property_destroy(encoder->dev, priv->scale_property); - - kfree(priv); - to_encoder_slave(encoder)->slave_priv = NULL; - - drm_i2c_encoder_destroy(encoder); -} - -static void ch7006_encoder_dpms(struct drm_encoder *encoder, int mode) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - struct ch7006_state *state = &priv->state; - - ch7006_dbg(client, "\n"); - - if (mode == priv->last_dpms) - return; - priv->last_dpms = mode; - - ch7006_setup_power_state(encoder); - - ch7006_load_reg(client, state, CH7006_POWER); -} - -static void ch7006_encoder_save(struct drm_encoder *encoder) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - - ch7006_dbg(client, "\n"); - - ch7006_state_save(client, &priv->saved_state); -} - -static void ch7006_encoder_restore(struct drm_encoder *encoder) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - - ch7006_dbg(client, "\n"); - - ch7006_state_load(client, &priv->saved_state); -} - -static bool ch7006_encoder_mode_fixup(struct drm_encoder *encoder, - const struct drm_display_mode *mode, - struct drm_display_mode *adjusted_mode) -{ - struct ch7006_priv *priv = to_ch7006_priv(encoder); - - /* The ch7006 is painfully picky with the input timings so no - * custom modes for now... */ - - priv->mode = ch7006_lookup_mode(encoder, mode); - - return !!priv->mode; -} - -static int ch7006_encoder_mode_valid(struct drm_encoder *encoder, - struct drm_display_mode *mode) -{ - if (ch7006_lookup_mode(encoder, mode)) - return MODE_OK; - else - return MODE_BAD; -} - -static void ch7006_encoder_mode_set(struct drm_encoder *encoder, - struct drm_display_mode *drm_mode, - struct drm_display_mode *adjusted_mode) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - struct ch7006_encoder_params *params = &priv->params; - struct ch7006_state *state = &priv->state; - uint8_t *regs = state->regs; - const struct ch7006_mode *mode = priv->mode; - const struct ch7006_tv_norm_info *norm = &ch7006_tv_norms[priv->norm]; - int start_active; - - ch7006_dbg(client, "\n"); - - regs[CH7006_DISPMODE] = norm->dispmode | mode->dispmode; - regs[CH7006_BWIDTH] = 0; - regs[CH7006_INPUT_FORMAT] = bitf(CH7006_INPUT_FORMAT_FORMAT, - params->input_format); - - regs[CH7006_CLKMODE] = CH7006_CLKMODE_SUBC_LOCK - | bitf(CH7006_CLKMODE_XCM, params->xcm) - | bitf(CH7006_CLKMODE_PCM, params->pcm); - if (params->clock_mode) - regs[CH7006_CLKMODE] |= CH7006_CLKMODE_MASTER; - if (params->clock_edge) - regs[CH7006_CLKMODE] |= CH7006_CLKMODE_POS_EDGE; - - start_active = (drm_mode->htotal & ~0x7) - (drm_mode->hsync_start & ~0x7); - regs[CH7006_POV] = bitf(CH7006_POV_START_ACTIVE_8, start_active); - regs[CH7006_START_ACTIVE] = bitf(CH7006_START_ACTIVE_0, start_active); - - regs[CH7006_INPUT_SYNC] = 0; - if (params->sync_direction) - regs[CH7006_INPUT_SYNC] |= CH7006_INPUT_SYNC_OUTPUT; - if (params->sync_encoding) - regs[CH7006_INPUT_SYNC] |= CH7006_INPUT_SYNC_EMBEDDED; - if (drm_mode->flags & DRM_MODE_FLAG_PVSYNC) - regs[CH7006_INPUT_SYNC] |= CH7006_INPUT_SYNC_PVSYNC; - if (drm_mode->flags & DRM_MODE_FLAG_PHSYNC) - regs[CH7006_INPUT_SYNC] |= CH7006_INPUT_SYNC_PHSYNC; - - regs[CH7006_DETECT] = 0; - regs[CH7006_BCLKOUT] = 0; - - regs[CH7006_SUBC_INC3] = 0; - if (params->pout_level) - regs[CH7006_SUBC_INC3] |= CH7006_SUBC_INC3_POUT_3_3V; - - regs[CH7006_SUBC_INC4] = 0; - if (params->active_detect) - regs[CH7006_SUBC_INC4] |= CH7006_SUBC_INC4_DS_INPUT; - - regs[CH7006_PLL_CONTROL] = priv->saved_state.regs[CH7006_PLL_CONTROL]; - - ch7006_setup_levels(encoder); - ch7006_setup_subcarrier(encoder); - ch7006_setup_pll(encoder); - ch7006_setup_power_state(encoder); - ch7006_setup_properties(encoder); - - ch7006_state_load(client, state); -} - -static enum drm_connector_status ch7006_encoder_detect(struct drm_encoder *encoder, - struct drm_connector *connector) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - struct ch7006_state *state = &priv->state; - int det; - - ch7006_dbg(client, "\n"); - - ch7006_save_reg(client, state, CH7006_DETECT); - ch7006_save_reg(client, state, CH7006_POWER); - ch7006_save_reg(client, state, CH7006_CLKMODE); - - ch7006_write(client, CH7006_POWER, CH7006_POWER_RESET | - bitfs(CH7006_POWER_LEVEL, NORMAL)); - ch7006_write(client, CH7006_CLKMODE, CH7006_CLKMODE_MASTER); - - ch7006_write(client, CH7006_DETECT, CH7006_DETECT_SENSE); - - ch7006_write(client, CH7006_DETECT, 0); - - det = ch7006_read(client, CH7006_DETECT); - - ch7006_load_reg(client, state, CH7006_CLKMODE); - ch7006_load_reg(client, state, CH7006_POWER); - ch7006_load_reg(client, state, CH7006_DETECT); - - if ((det & (CH7006_DETECT_SVIDEO_Y_TEST| - CH7006_DETECT_SVIDEO_C_TEST| - CH7006_DETECT_CVBS_TEST)) == 0) - priv->subconnector = DRM_MODE_SUBCONNECTOR_SCART; - else if ((det & (CH7006_DETECT_SVIDEO_Y_TEST| - CH7006_DETECT_SVIDEO_C_TEST)) == 0) - priv->subconnector = DRM_MODE_SUBCONNECTOR_SVIDEO; - else if ((det & CH7006_DETECT_CVBS_TEST) == 0) - priv->subconnector = DRM_MODE_SUBCONNECTOR_Composite; - else - priv->subconnector = DRM_MODE_SUBCONNECTOR_Unknown; - - drm_object_property_set_value(&connector->base, - encoder->dev->mode_config.tv_subconnector_property, - priv->subconnector); - - return priv->subconnector ? connector_status_connected : - connector_status_disconnected; -} - -static int ch7006_encoder_get_modes(struct drm_encoder *encoder, - struct drm_connector *connector) -{ - struct ch7006_priv *priv = to_ch7006_priv(encoder); - const struct ch7006_mode *mode; - int n = 0; - - for (mode = ch7006_modes; mode->mode.clock; mode++) { - if (~mode->valid_scales & 1<<priv->scale || - ~mode->valid_norms & 1<<priv->norm) - continue; - - drm_mode_probed_add(connector, - drm_mode_duplicate(encoder->dev, &mode->mode)); - - n++; - } - - return n; -} - -static int ch7006_encoder_create_resources(struct drm_encoder *encoder, - struct drm_connector *connector) -{ - struct ch7006_priv *priv = to_ch7006_priv(encoder); - struct drm_device *dev = encoder->dev; - struct drm_mode_config *conf = &dev->mode_config; - - drm_mode_create_tv_properties_legacy(dev, NUM_TV_NORMS, ch7006_tv_norm_names); - - priv->scale_property = drm_property_create_range(dev, 0, "scale", 0, 2); - if (!priv->scale_property) - return -ENOMEM; - - drm_object_attach_property(&connector->base, conf->tv_select_subconnector_property, - priv->select_subconnector); - drm_object_attach_property(&connector->base, conf->tv_subconnector_property, - priv->subconnector); - drm_object_attach_property(&connector->base, conf->tv_left_margin_property, - priv->hmargin); - drm_object_attach_property(&connector->base, conf->tv_bottom_margin_property, - priv->vmargin); - drm_object_attach_property(&connector->base, conf->legacy_tv_mode_property, - priv->norm); - drm_object_attach_property(&connector->base, conf->tv_brightness_property, - priv->brightness); - drm_object_attach_property(&connector->base, conf->tv_contrast_property, - priv->contrast); - drm_object_attach_property(&connector->base, conf->tv_flicker_reduction_property, - priv->flicker); - drm_object_attach_property(&connector->base, priv->scale_property, - priv->scale); - - return 0; -} - -static int ch7006_encoder_set_property(struct drm_encoder *encoder, - struct drm_connector *connector, - struct drm_property *property, - uint64_t val) -{ - struct i2c_client *client = drm_i2c_encoder_get_client(encoder); - struct ch7006_priv *priv = to_ch7006_priv(encoder); - struct ch7006_state *state = &priv->state; - struct drm_mode_config *conf = &encoder->dev->mode_config; - struct drm_crtc *crtc = encoder->crtc; - bool modes_changed = false; - - ch7006_dbg(client, "\n"); - - if (property == conf->tv_select_subconnector_property) { - priv->select_subconnector = val; - - ch7006_setup_power_state(encoder); - - ch7006_load_reg(client, state, CH7006_POWER); - - } else if (property == conf->tv_left_margin_property) { - priv->hmargin = val; - - ch7006_setup_properties(encoder); - - ch7006_load_reg(client, state, CH7006_POV); - ch7006_load_reg(client, state, CH7006_HPOS); - - } else if (property == conf->tv_bottom_margin_property) { - priv->vmargin = val; - - ch7006_setup_properties(encoder); - - ch7006_load_reg(client, state, CH7006_POV); - ch7006_load_reg(client, state, CH7006_VPOS); - - } else if (property == conf->legacy_tv_mode_property) { - if (connector->dpms != DRM_MODE_DPMS_OFF) - return -EINVAL; - - priv->norm = val; - - modes_changed = true; - - } else if (property == conf->tv_brightness_property) { - priv->brightness = val; - - ch7006_setup_levels(encoder); - - ch7006_load_reg(client, state, CH7006_BLACK_LEVEL); - - } else if (property == conf->tv_contrast_property) { - priv->contrast = val; - - ch7006_setup_properties(encoder); - - ch7006_load_reg(client, state, CH7006_CONTRAST); - - } else if (property == conf->tv_flicker_reduction_property) { - priv->flicker = val; - - ch7006_setup_properties(encoder); - - ch7006_load_reg(client, state, CH7006_FFILTER); - - } else if (property == priv->scale_property) { - if (connector->dpms != DRM_MODE_DPMS_OFF) - return -EINVAL; - - priv->scale = val; - - modes_changed = true; - - } else { - return -EINVAL; - } - - if (modes_changed) { - drm_helper_probe_single_connector_modes(connector, 0, 0); - - if (crtc) - drm_crtc_helper_set_mode(crtc, &crtc->mode, - crtc->x, crtc->y, - crtc->primary->fb); - } - - return 0; -} - -static const struct drm_encoder_slave_funcs ch7006_encoder_funcs = { - .set_config = ch7006_encoder_set_config, - .destroy = ch7006_encoder_destroy, - .dpms = ch7006_encoder_dpms, - .save = ch7006_encoder_save, - .restore = ch7006_encoder_restore, - .mode_fixup = ch7006_encoder_mode_fixup, - .mode_valid = ch7006_encoder_mode_valid, - .mode_set = ch7006_encoder_mode_set, - .detect = ch7006_encoder_detect, - .get_modes = ch7006_encoder_get_modes, - .create_resources = ch7006_encoder_create_resources, - .set_property = ch7006_encoder_set_property, -}; - - -/* I2C driver functions */ - -static int ch7006_probe(struct i2c_client *client) -{ - uint8_t addr = CH7006_VERSION_ID; - uint8_t val; - int ret; - - ch7006_dbg(client, "\n"); - - ret = i2c_master_send(client, &addr, sizeof(addr)); - if (ret < 0) - goto fail; - - ret = i2c_master_recv(client, &val, sizeof(val)); - if (ret < 0) - goto fail; - - ch7006_info(client, "Detected version ID: %x\n", val); - - /* I don't know what this is for, but otherwise I get no - * signal. - */ - ch7006_write(client, 0x3d, 0x0); - - return 0; - -fail: - ch7006_err(client, "Error %d reading version ID\n", ret); - - return -ENODEV; -} - -static void ch7006_remove(struct i2c_client *client) -{ - ch7006_dbg(client, "\n"); -} - -static int ch7006_resume(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev); - - ch7006_dbg(client, "\n"); - - ch7006_write(client, 0x3d, 0x0); - - return 0; -} - -static int ch7006_encoder_init(struct i2c_client *client, - struct drm_device *dev, - struct drm_encoder_slave *encoder) -{ - struct ch7006_priv *priv; - int i; - - ch7006_dbg(client, "\n"); - - priv = kzalloc(sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - encoder->slave_priv = priv; - encoder->slave_funcs = &ch7006_encoder_funcs; - - priv->norm = TV_NORM_PAL; - priv->select_subconnector = DRM_MODE_SUBCONNECTOR_Automatic; - priv->subconnector = DRM_MODE_SUBCONNECTOR_Unknown; - priv->scale = 1; - priv->contrast = 50; - priv->brightness = 50; - priv->flicker = 50; - priv->hmargin = 50; - priv->vmargin = 50; - priv->last_dpms = -1; - priv->chip_version = ch7006_read(client, CH7006_VERSION_ID); - - if (ch7006_tv_norm) { - for (i = 0; i < NUM_TV_NORMS; i++) { - if (!strcmp(ch7006_tv_norm_names[i], ch7006_tv_norm)) { - priv->norm = i; - break; - } - } - - if (i == NUM_TV_NORMS) - ch7006_err(client, "Invalid TV norm setting \"%s\".\n", - ch7006_tv_norm); - } - - if (ch7006_scale >= 0 && ch7006_scale <= 2) - priv->scale = ch7006_scale; - else - ch7006_err(client, "Invalid scale setting \"%d\".\n", - ch7006_scale); - - return 0; -} - -static const struct i2c_device_id ch7006_ids[] = { - { "ch7006", 0 }, - { } -}; -MODULE_DEVICE_TABLE(i2c, ch7006_ids); - -static const struct dev_pm_ops ch7006_pm_ops = { - .resume = ch7006_resume, -}; - -static struct drm_i2c_encoder_driver ch7006_driver = { - .i2c_driver = { - .probe = ch7006_probe, - .remove = ch7006_remove, - - .driver = { - .name = "ch7006", - .pm = &ch7006_pm_ops, - }, - - .id_table = ch7006_ids, - }, - - .encoder_init = ch7006_encoder_init, -}; - - -/* Module initialization */ - -static int __init ch7006_init(void) -{ - return drm_i2c_encoder_register(THIS_MODULE, &ch7006_driver); -} - -static void __exit ch7006_exit(void) -{ - drm_i2c_encoder_unregister(&ch7006_driver); -} - -int ch7006_debug; -module_param_named(debug, ch7006_debug, int, 0600); -MODULE_PARM_DESC(debug, "Enable debug output."); - -char *ch7006_tv_norm; -module_param_named(tv_norm, ch7006_tv_norm, charp, 0600); -MODULE_PARM_DESC(tv_norm, "Default TV norm.\n" - "\t\tSupported: PAL, PAL-M, PAL-N, PAL-Nc, PAL-60, NTSC-M, NTSC-J.\n" - "\t\tDefault: PAL"); - -int ch7006_scale = 1; -module_param_named(scale, ch7006_scale, int, 0600); -MODULE_PARM_DESC(scale, "Default scale.\n" - "\t\tSupported: 0 -> Select video modes with a higher blanking ratio.\n" - "\t\t\t1 -> Select default video modes.\n" - "\t\t\t2 -> Select video modes with a lower blanking ratio."); - -MODULE_AUTHOR("Francisco Jerez <currojerez@riseup.net>"); -MODULE_DESCRIPTION("Chrontel ch7006 TV encoder driver"); -MODULE_LICENSE("GPL and additional rights"); - -module_init(ch7006_init); -module_exit(ch7006_exit); |