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763 lines
19 KiB
763 lines
19 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Copyright (C) 2005-2006 Micronas USA Inc. |
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*/ |
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|
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#include <linux/module.h> |
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#include <linux/delay.h> |
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#include <linux/sched.h> |
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#include <linux/spinlock.h> |
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#include <linux/unistd.h> |
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#include <linux/time.h> |
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#include <linux/mm.h> |
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#include <linux/vmalloc.h> |
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#include <linux/device.h> |
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#include <linux/i2c.h> |
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#include <linux/firmware.h> |
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#include <linux/mutex.h> |
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#include <linux/uaccess.h> |
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#include <linux/slab.h> |
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#include <linux/videodev2.h> |
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#include <media/tuner.h> |
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#include <media/v4l2-common.h> |
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#include <media/v4l2-event.h> |
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#include "go7007-priv.h" |
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/* |
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* Wait for an interrupt to be delivered from the GO7007SB and return |
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* the associated value and data. |
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* |
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* Must be called with the hw_lock held. |
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*/ |
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int go7007_read_interrupt(struct go7007 *go, u16 *value, u16 *data) |
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{ |
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go->interrupt_available = 0; |
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go->hpi_ops->read_interrupt(go); |
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if (wait_event_timeout(go->interrupt_waitq, |
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go->interrupt_available, 5*HZ) < 0) { |
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v4l2_err(&go->v4l2_dev, "timeout waiting for read interrupt\n"); |
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return -1; |
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} |
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if (!go->interrupt_available) |
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return -1; |
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go->interrupt_available = 0; |
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*value = go->interrupt_value & 0xfffe; |
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*data = go->interrupt_data; |
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return 0; |
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} |
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EXPORT_SYMBOL(go7007_read_interrupt); |
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|
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/* |
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* Read a register/address on the GO7007SB. |
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* |
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* Must be called with the hw_lock held. |
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*/ |
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int go7007_read_addr(struct go7007 *go, u16 addr, u16 *data) |
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{ |
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int count = 100; |
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u16 value; |
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if (go7007_write_interrupt(go, 0x0010, addr) < 0) |
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return -EIO; |
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while (count-- > 0) { |
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if (go7007_read_interrupt(go, &value, data) == 0 && |
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value == 0xa000) |
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return 0; |
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} |
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return -EIO; |
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} |
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EXPORT_SYMBOL(go7007_read_addr); |
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|
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/* |
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* Send the boot firmware to the encoder, which just wakes it up and lets |
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* us talk to the GPIO pins and on-board I2C adapter. |
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* |
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* Must be called with the hw_lock held. |
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*/ |
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static int go7007_load_encoder(struct go7007 *go) |
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{ |
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const struct firmware *fw_entry; |
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char fw_name[] = "go7007/go7007fw.bin"; |
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void *bounce; |
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int fw_len, rv = 0; |
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u16 intr_val, intr_data; |
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if (go->boot_fw == NULL) { |
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if (request_firmware(&fw_entry, fw_name, go->dev)) { |
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v4l2_err(go, "unable to load firmware from file \"%s\"\n", fw_name); |
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return -1; |
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} |
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if (fw_entry->size < 16 || memcmp(fw_entry->data, "WISGO7007FW", 11)) { |
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v4l2_err(go, "file \"%s\" does not appear to be go7007 firmware\n", fw_name); |
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release_firmware(fw_entry); |
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return -1; |
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} |
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fw_len = fw_entry->size - 16; |
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bounce = kmemdup(fw_entry->data + 16, fw_len, GFP_KERNEL); |
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if (bounce == NULL) { |
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v4l2_err(go, "unable to allocate %d bytes for firmware transfer\n", fw_len); |
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release_firmware(fw_entry); |
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return -1; |
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} |
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release_firmware(fw_entry); |
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go->boot_fw_len = fw_len; |
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go->boot_fw = bounce; |
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} |
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if (go7007_interface_reset(go) < 0 || |
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go7007_send_firmware(go, go->boot_fw, go->boot_fw_len) < 0 || |
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go7007_read_interrupt(go, &intr_val, &intr_data) < 0 || |
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(intr_val & ~0x1) != 0x5a5a) { |
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v4l2_err(go, "error transferring firmware\n"); |
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rv = -1; |
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} |
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return rv; |
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} |
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MODULE_FIRMWARE("go7007/go7007fw.bin"); |
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/* |
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* Boot the encoder and register the I2C adapter if requested. Do the |
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* minimum initialization necessary, since the board-specific code may |
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* still need to probe the board ID. |
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* |
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* Must NOT be called with the hw_lock held. |
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*/ |
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int go7007_boot_encoder(struct go7007 *go, int init_i2c) |
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{ |
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int ret; |
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mutex_lock(&go->hw_lock); |
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ret = go7007_load_encoder(go); |
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mutex_unlock(&go->hw_lock); |
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if (ret < 0) |
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return -1; |
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if (!init_i2c) |
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return 0; |
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if (go7007_i2c_init(go) < 0) |
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return -1; |
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go->i2c_adapter_online = 1; |
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return 0; |
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} |
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EXPORT_SYMBOL(go7007_boot_encoder); |
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/* |
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* Configure any hardware-related registers in the GO7007, such as GPIO |
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* pins and bus parameters, which are board-specific. This assumes |
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* the boot firmware has already been downloaded. |
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* |
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* Must be called with the hw_lock held. |
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*/ |
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static int go7007_init_encoder(struct go7007 *go) |
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{ |
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if (go->board_info->audio_flags & GO7007_AUDIO_I2S_MASTER) { |
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go7007_write_addr(go, 0x1000, 0x0811); |
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go7007_write_addr(go, 0x1000, 0x0c11); |
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} |
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switch (go->board_id) { |
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case GO7007_BOARDID_MATRIX_REV: |
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/* Set GPIO pin 0 to be an output (audio clock control) */ |
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go7007_write_addr(go, 0x3c82, 0x0001); |
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go7007_write_addr(go, 0x3c80, 0x00fe); |
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break; |
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case GO7007_BOARDID_ADLINK_MPG24: |
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/* set GPIO5 to be an output, currently low */ |
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go7007_write_addr(go, 0x3c82, 0x0000); |
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go7007_write_addr(go, 0x3c80, 0x00df); |
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break; |
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case GO7007_BOARDID_ADS_USBAV_709: |
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/* GPIO pin 0: audio clock control */ |
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/* pin 2: TW9906 reset */ |
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/* pin 3: capture LED */ |
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go7007_write_addr(go, 0x3c82, 0x000d); |
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go7007_write_addr(go, 0x3c80, 0x00f2); |
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break; |
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} |
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return 0; |
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} |
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/* |
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* Send the boot firmware to the GO7007 and configure the registers. This |
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* is the only way to stop the encoder once it has started streaming video. |
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* |
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* Must be called with the hw_lock held. |
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*/ |
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int go7007_reset_encoder(struct go7007 *go) |
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{ |
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if (go7007_load_encoder(go) < 0) |
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return -1; |
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return go7007_init_encoder(go); |
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} |
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/* |
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* Attempt to instantiate an I2C client by ID, probably loading a module. |
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*/ |
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static int init_i2c_module(struct i2c_adapter *adapter, const struct go_i2c *const i2c) |
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{ |
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struct go7007 *go = i2c_get_adapdata(adapter); |
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struct v4l2_device *v4l2_dev = &go->v4l2_dev; |
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struct v4l2_subdev *sd; |
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struct i2c_board_info info; |
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memset(&info, 0, sizeof(info)); |
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strscpy(info.type, i2c->type, sizeof(info.type)); |
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info.addr = i2c->addr; |
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info.flags = i2c->flags; |
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sd = v4l2_i2c_new_subdev_board(v4l2_dev, adapter, &info, NULL); |
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if (sd) { |
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if (i2c->is_video) |
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go->sd_video = sd; |
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if (i2c->is_audio) |
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go->sd_audio = sd; |
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return 0; |
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} |
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pr_info("go7007: probing for module i2c:%s failed\n", i2c->type); |
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return -EINVAL; |
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} |
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/* |
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* Detach and unregister the encoder. The go7007 struct won't be freed |
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* until v4l2 finishes releasing its resources and all associated fds are |
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* closed by applications. |
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*/ |
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static void go7007_remove(struct v4l2_device *v4l2_dev) |
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{ |
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struct go7007 *go = container_of(v4l2_dev, struct go7007, v4l2_dev); |
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v4l2_device_unregister(v4l2_dev); |
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if (go->hpi_ops->release) |
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go->hpi_ops->release(go); |
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if (go->i2c_adapter_online) { |
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i2c_del_adapter(&go->i2c_adapter); |
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go->i2c_adapter_online = 0; |
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} |
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kfree(go->boot_fw); |
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go7007_v4l2_remove(go); |
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kfree(go); |
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} |
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/* |
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* Finalize the GO7007 hardware setup, register the on-board I2C adapter |
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* (if used on this board), load the I2C client driver for the sensor |
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* (SAA7115 or whatever) and other devices, and register the ALSA and V4L2 |
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* interfaces. |
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* |
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* Must NOT be called with the hw_lock held. |
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*/ |
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int go7007_register_encoder(struct go7007 *go, unsigned num_i2c_devs) |
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{ |
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int i, ret; |
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dev_info(go->dev, "go7007: registering new %s\n", go->name); |
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go->v4l2_dev.release = go7007_remove; |
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ret = v4l2_device_register(go->dev, &go->v4l2_dev); |
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if (ret < 0) |
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return ret; |
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mutex_lock(&go->hw_lock); |
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ret = go7007_init_encoder(go); |
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mutex_unlock(&go->hw_lock); |
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if (ret < 0) |
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return ret; |
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ret = go7007_v4l2_ctrl_init(go); |
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if (ret < 0) |
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return ret; |
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if (!go->i2c_adapter_online && |
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go->board_info->flags & GO7007_BOARD_USE_ONBOARD_I2C) { |
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ret = go7007_i2c_init(go); |
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if (ret < 0) |
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return ret; |
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go->i2c_adapter_online = 1; |
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} |
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if (go->i2c_adapter_online) { |
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if (go->board_id == GO7007_BOARDID_ADS_USBAV_709) { |
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/* Reset the TW9906 */ |
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go7007_write_addr(go, 0x3c82, 0x0009); |
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msleep(50); |
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go7007_write_addr(go, 0x3c82, 0x000d); |
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} |
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for (i = 0; i < num_i2c_devs; ++i) |
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init_i2c_module(&go->i2c_adapter, &go->board_info->i2c_devs[i]); |
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if (go->tuner_type >= 0) { |
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struct tuner_setup setup = { |
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.addr = ADDR_UNSET, |
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.type = go->tuner_type, |
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.mode_mask = T_ANALOG_TV, |
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}; |
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v4l2_device_call_all(&go->v4l2_dev, 0, tuner, |
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s_type_addr, &setup); |
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} |
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if (go->board_id == GO7007_BOARDID_ADLINK_MPG24) |
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v4l2_subdev_call(go->sd_video, video, s_routing, |
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0, 0, go->channel_number + 1); |
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} |
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ret = go7007_v4l2_init(go); |
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if (ret < 0) |
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return ret; |
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if (go->board_info->flags & GO7007_BOARD_HAS_AUDIO) { |
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go->audio_enabled = 1; |
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go7007_snd_init(go); |
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} |
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return 0; |
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} |
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EXPORT_SYMBOL(go7007_register_encoder); |
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/* |
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* Send the encode firmware to the encoder, which will cause it |
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* to immediately start delivering the video and audio streams. |
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* |
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* Must be called with the hw_lock held. |
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*/ |
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int go7007_start_encoder(struct go7007 *go) |
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{ |
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u8 *fw; |
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int fw_len, rv = 0, i, x, y; |
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u16 intr_val, intr_data; |
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go->modet_enable = 0; |
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for (i = 0; i < 4; i++) |
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go->modet[i].enable = 0; |
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switch (v4l2_ctrl_g_ctrl(go->modet_mode)) { |
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case V4L2_DETECT_MD_MODE_GLOBAL: |
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memset(go->modet_map, 0, sizeof(go->modet_map)); |
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go->modet[0].enable = 1; |
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go->modet_enable = 1; |
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break; |
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case V4L2_DETECT_MD_MODE_REGION_GRID: |
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for (y = 0; y < go->height / 16; y++) { |
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for (x = 0; x < go->width / 16; x++) { |
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int idx = y * go->width / 16 + x; |
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go->modet[go->modet_map[idx]].enable = 1; |
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} |
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} |
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go->modet_enable = 1; |
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break; |
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} |
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if (go->dvd_mode) |
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go->modet_enable = 0; |
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if (go7007_construct_fw_image(go, &fw, &fw_len) < 0) |
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return -1; |
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if (go7007_send_firmware(go, fw, fw_len) < 0 || |
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go7007_read_interrupt(go, &intr_val, &intr_data) < 0) { |
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v4l2_err(&go->v4l2_dev, "error transferring firmware\n"); |
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rv = -1; |
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goto start_error; |
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} |
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go->state = STATE_DATA; |
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go->parse_length = 0; |
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go->seen_frame = 0; |
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if (go7007_stream_start(go) < 0) { |
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v4l2_err(&go->v4l2_dev, "error starting stream transfer\n"); |
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rv = -1; |
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goto start_error; |
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} |
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start_error: |
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kfree(fw); |
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return rv; |
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} |
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/* |
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* Store a byte in the current video buffer, if there is one. |
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*/ |
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static inline void store_byte(struct go7007_buffer *vb, u8 byte) |
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{ |
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if (vb && vb->vb.vb2_buf.planes[0].bytesused < GO7007_BUF_SIZE) { |
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u8 *ptr = vb2_plane_vaddr(&vb->vb.vb2_buf, 0); |
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ptr[vb->vb.vb2_buf.planes[0].bytesused++] = byte; |
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} |
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} |
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static void go7007_set_motion_regions(struct go7007 *go, struct go7007_buffer *vb, |
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u32 motion_regions) |
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{ |
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if (motion_regions != go->modet_event_status) { |
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struct v4l2_event ev = { |
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.type = V4L2_EVENT_MOTION_DET, |
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.u.motion_det = { |
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.flags = V4L2_EVENT_MD_FL_HAVE_FRAME_SEQ, |
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.frame_sequence = vb->vb.sequence, |
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.region_mask = motion_regions, |
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}, |
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}; |
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v4l2_event_queue(&go->vdev, &ev); |
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go->modet_event_status = motion_regions; |
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} |
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} |
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/* |
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* Determine regions with motion and send a motion detection event |
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* in case of changes. |
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*/ |
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static void go7007_motion_regions(struct go7007 *go, struct go7007_buffer *vb) |
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{ |
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u32 *bytesused = &vb->vb.vb2_buf.planes[0].bytesused; |
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unsigned motion[4] = { 0, 0, 0, 0 }; |
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u32 motion_regions = 0; |
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unsigned stride = (go->width + 7) >> 3; |
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unsigned x, y; |
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int i; |
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for (i = 0; i < 216; ++i) |
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store_byte(vb, go->active_map[i]); |
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for (y = 0; y < go->height / 16; y++) { |
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for (x = 0; x < go->width / 16; x++) { |
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if (!(go->active_map[y * stride + (x >> 3)] & (1 << (x & 7)))) |
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continue; |
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motion[go->modet_map[y * (go->width / 16) + x]]++; |
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} |
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} |
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motion_regions = ((motion[0] > 0) << 0) | |
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((motion[1] > 0) << 1) | |
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((motion[2] > 0) << 2) | |
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((motion[3] > 0) << 3); |
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*bytesused -= 216; |
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go7007_set_motion_regions(go, vb, motion_regions); |
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} |
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|
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/* |
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* Deliver the last video buffer and get a new one to start writing to. |
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*/ |
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static struct go7007_buffer *frame_boundary(struct go7007 *go, struct go7007_buffer *vb) |
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{ |
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u32 *bytesused; |
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struct go7007_buffer *vb_tmp = NULL; |
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unsigned long flags; |
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|
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if (vb == NULL) { |
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spin_lock_irqsave(&go->spinlock, flags); |
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if (!list_empty(&go->vidq_active)) |
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vb = go->active_buf = |
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list_first_entry(&go->vidq_active, struct go7007_buffer, list); |
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spin_unlock_irqrestore(&go->spinlock, flags); |
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go->next_seq++; |
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return vb; |
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} |
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bytesused = &vb->vb.vb2_buf.planes[0].bytesused; |
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|
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vb->vb.sequence = go->next_seq++; |
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if (vb->modet_active && *bytesused + 216 < GO7007_BUF_SIZE) |
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go7007_motion_regions(go, vb); |
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else |
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go7007_set_motion_regions(go, vb, 0); |
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|
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vb->vb.vb2_buf.timestamp = ktime_get_ns(); |
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vb_tmp = vb; |
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spin_lock_irqsave(&go->spinlock, flags); |
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list_del(&vb->list); |
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if (list_empty(&go->vidq_active)) |
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vb = NULL; |
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else |
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vb = list_first_entry(&go->vidq_active, |
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struct go7007_buffer, list); |
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go->active_buf = vb; |
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spin_unlock_irqrestore(&go->spinlock, flags); |
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vb2_buffer_done(&vb_tmp->vb.vb2_buf, VB2_BUF_STATE_DONE); |
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return vb; |
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} |
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|
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static void write_bitmap_word(struct go7007 *go) |
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{ |
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int x, y, i, stride = ((go->width >> 4) + 7) >> 3; |
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|
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for (i = 0; i < 16; ++i) { |
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y = (((go->parse_length - 1) << 3) + i) / (go->width >> 4); |
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x = (((go->parse_length - 1) << 3) + i) % (go->width >> 4); |
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if (stride * y + (x >> 3) < sizeof(go->active_map)) |
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go->active_map[stride * y + (x >> 3)] |= |
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(go->modet_word & 1) << (x & 0x7); |
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go->modet_word >>= 1; |
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} |
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} |
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|
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/* |
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* Parse a chunk of the video stream into frames. The frames are not |
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* delimited by the hardware, so we have to parse the frame boundaries |
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* based on the type of video stream we're receiving. |
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*/ |
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void go7007_parse_video_stream(struct go7007 *go, u8 *buf, int length) |
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{ |
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struct go7007_buffer *vb = go->active_buf; |
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int i, seq_start_code = -1, gop_start_code = -1, frame_start_code = -1; |
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|
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switch (go->format) { |
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case V4L2_PIX_FMT_MPEG4: |
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seq_start_code = 0xB0; |
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gop_start_code = 0xB3; |
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frame_start_code = 0xB6; |
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break; |
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case V4L2_PIX_FMT_MPEG1: |
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case V4L2_PIX_FMT_MPEG2: |
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seq_start_code = 0xB3; |
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gop_start_code = 0xB8; |
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frame_start_code = 0x00; |
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break; |
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} |
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|
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for (i = 0; i < length; ++i) { |
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if (vb && vb->vb.vb2_buf.planes[0].bytesused >= |
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GO7007_BUF_SIZE - 3) { |
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v4l2_info(&go->v4l2_dev, "dropping oversized frame\n"); |
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vb->vb.vb2_buf.planes[0].bytesused = 0; |
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vb->frame_offset = 0; |
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vb->modet_active = 0; |
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vb = go->active_buf = NULL; |
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} |
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|
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switch (go->state) { |
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case STATE_DATA: |
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switch (buf[i]) { |
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case 0x00: |
|
go->state = STATE_00; |
|
break; |
|
case 0xFF: |
|
go->state = STATE_FF; |
|
break; |
|
default: |
|
store_byte(vb, buf[i]); |
|
break; |
|
} |
|
break; |
|
case STATE_00: |
|
switch (buf[i]) { |
|
case 0x00: |
|
go->state = STATE_00_00; |
|
break; |
|
case 0xFF: |
|
store_byte(vb, 0x00); |
|
go->state = STATE_FF; |
|
break; |
|
default: |
|
store_byte(vb, 0x00); |
|
store_byte(vb, buf[i]); |
|
go->state = STATE_DATA; |
|
break; |
|
} |
|
break; |
|
case STATE_00_00: |
|
switch (buf[i]) { |
|
case 0x00: |
|
store_byte(vb, 0x00); |
|
/* go->state remains STATE_00_00 */ |
|
break; |
|
case 0x01: |
|
go->state = STATE_00_00_01; |
|
break; |
|
case 0xFF: |
|
store_byte(vb, 0x00); |
|
store_byte(vb, 0x00); |
|
go->state = STATE_FF; |
|
break; |
|
default: |
|
store_byte(vb, 0x00); |
|
store_byte(vb, 0x00); |
|
store_byte(vb, buf[i]); |
|
go->state = STATE_DATA; |
|
break; |
|
} |
|
break; |
|
case STATE_00_00_01: |
|
if (buf[i] == 0xF8 && go->modet_enable == 0) { |
|
/* MODET start code, but MODET not enabled */ |
|
store_byte(vb, 0x00); |
|
store_byte(vb, 0x00); |
|
store_byte(vb, 0x01); |
|
store_byte(vb, 0xF8); |
|
go->state = STATE_DATA; |
|
break; |
|
} |
|
/* If this is the start of a new MPEG frame, |
|
* get a new buffer */ |
|
if ((go->format == V4L2_PIX_FMT_MPEG1 || |
|
go->format == V4L2_PIX_FMT_MPEG2 || |
|
go->format == V4L2_PIX_FMT_MPEG4) && |
|
(buf[i] == seq_start_code || |
|
buf[i] == gop_start_code || |
|
buf[i] == frame_start_code)) { |
|
if (vb == NULL || go->seen_frame) |
|
vb = frame_boundary(go, vb); |
|
go->seen_frame = buf[i] == frame_start_code; |
|
if (vb && go->seen_frame) |
|
vb->frame_offset = |
|
vb->vb.vb2_buf.planes[0].bytesused; |
|
} |
|
/* Handle any special chunk types, or just write the |
|
* start code to the (potentially new) buffer */ |
|
switch (buf[i]) { |
|
case 0xF5: /* timestamp */ |
|
go->parse_length = 12; |
|
go->state = STATE_UNPARSED; |
|
break; |
|
case 0xF6: /* vbi */ |
|
go->state = STATE_VBI_LEN_A; |
|
break; |
|
case 0xF8: /* MD map */ |
|
go->parse_length = 0; |
|
memset(go->active_map, 0, |
|
sizeof(go->active_map)); |
|
go->state = STATE_MODET_MAP; |
|
break; |
|
case 0xFF: /* Potential JPEG start code */ |
|
store_byte(vb, 0x00); |
|
store_byte(vb, 0x00); |
|
store_byte(vb, 0x01); |
|
go->state = STATE_FF; |
|
break; |
|
default: |
|
store_byte(vb, 0x00); |
|
store_byte(vb, 0x00); |
|
store_byte(vb, 0x01); |
|
store_byte(vb, buf[i]); |
|
go->state = STATE_DATA; |
|
break; |
|
} |
|
break; |
|
case STATE_FF: |
|
switch (buf[i]) { |
|
case 0x00: |
|
store_byte(vb, 0xFF); |
|
go->state = STATE_00; |
|
break; |
|
case 0xFF: |
|
store_byte(vb, 0xFF); |
|
/* go->state remains STATE_FF */ |
|
break; |
|
case 0xD8: |
|
if (go->format == V4L2_PIX_FMT_MJPEG) |
|
vb = frame_boundary(go, vb); |
|
fallthrough; |
|
default: |
|
store_byte(vb, 0xFF); |
|
store_byte(vb, buf[i]); |
|
go->state = STATE_DATA; |
|
break; |
|
} |
|
break; |
|
case STATE_VBI_LEN_A: |
|
go->parse_length = buf[i] << 8; |
|
go->state = STATE_VBI_LEN_B; |
|
break; |
|
case STATE_VBI_LEN_B: |
|
go->parse_length |= buf[i]; |
|
if (go->parse_length > 0) |
|
go->state = STATE_UNPARSED; |
|
else |
|
go->state = STATE_DATA; |
|
break; |
|
case STATE_MODET_MAP: |
|
if (go->parse_length < 204) { |
|
if (go->parse_length & 1) { |
|
go->modet_word |= buf[i]; |
|
write_bitmap_word(go); |
|
} else |
|
go->modet_word = buf[i] << 8; |
|
} else if (go->parse_length == 207 && vb) { |
|
vb->modet_active = buf[i]; |
|
} |
|
if (++go->parse_length == 208) |
|
go->state = STATE_DATA; |
|
break; |
|
case STATE_UNPARSED: |
|
if (--go->parse_length == 0) |
|
go->state = STATE_DATA; |
|
break; |
|
} |
|
} |
|
} |
|
EXPORT_SYMBOL(go7007_parse_video_stream); |
|
|
|
/* |
|
* Allocate a new go7007 struct. Used by the hardware-specific probe. |
|
*/ |
|
struct go7007 *go7007_alloc(const struct go7007_board_info *board, |
|
struct device *dev) |
|
{ |
|
struct go7007 *go; |
|
int i; |
|
|
|
go = kzalloc(sizeof(struct go7007), GFP_KERNEL); |
|
if (go == NULL) |
|
return NULL; |
|
go->dev = dev; |
|
go->board_info = board; |
|
go->board_id = 0; |
|
go->tuner_type = -1; |
|
go->channel_number = 0; |
|
go->name[0] = 0; |
|
mutex_init(&go->hw_lock); |
|
init_waitqueue_head(&go->frame_waitq); |
|
spin_lock_init(&go->spinlock); |
|
go->status = STATUS_INIT; |
|
memset(&go->i2c_adapter, 0, sizeof(go->i2c_adapter)); |
|
go->i2c_adapter_online = 0; |
|
go->interrupt_available = 0; |
|
init_waitqueue_head(&go->interrupt_waitq); |
|
go->input = 0; |
|
go7007_update_board(go); |
|
go->encoder_h_halve = 0; |
|
go->encoder_v_halve = 0; |
|
go->encoder_subsample = 0; |
|
go->format = V4L2_PIX_FMT_MJPEG; |
|
go->bitrate = 1500000; |
|
go->fps_scale = 1; |
|
go->pali = 0; |
|
go->aspect_ratio = GO7007_RATIO_1_1; |
|
go->gop_size = 0; |
|
go->ipb = 0; |
|
go->closed_gop = 0; |
|
go->repeat_seqhead = 0; |
|
go->seq_header_enable = 0; |
|
go->gop_header_enable = 0; |
|
go->dvd_mode = 0; |
|
go->interlace_coding = 0; |
|
for (i = 0; i < 4; ++i) |
|
go->modet[i].enable = 0; |
|
for (i = 0; i < 1624; ++i) |
|
go->modet_map[i] = 0; |
|
go->audio_deliver = NULL; |
|
go->audio_enabled = 0; |
|
|
|
return go; |
|
} |
|
EXPORT_SYMBOL(go7007_alloc); |
|
|
|
void go7007_update_board(struct go7007 *go) |
|
{ |
|
const struct go7007_board_info *board = go->board_info; |
|
|
|
if (board->sensor_flags & GO7007_SENSOR_TV) { |
|
go->standard = GO7007_STD_NTSC; |
|
go->std = V4L2_STD_NTSC_M; |
|
go->width = 720; |
|
go->height = 480; |
|
go->sensor_framerate = 30000; |
|
} else { |
|
go->standard = GO7007_STD_OTHER; |
|
go->width = board->sensor_width; |
|
go->height = board->sensor_height; |
|
go->sensor_framerate = board->sensor_framerate; |
|
} |
|
go->encoder_v_offset = board->sensor_v_offset; |
|
go->encoder_h_offset = board->sensor_h_offset; |
|
} |
|
EXPORT_SYMBOL(go7007_update_board); |
|
|
|
MODULE_LICENSE("GPL v2");
|
|
|