diff options
Diffstat (limited to 'drivers/staging/go7007/saa7134-go7007.c')
| -rw-r--r-- | drivers/staging/go7007/saa7134-go7007.c | 532 |
1 files changed, 0 insertions, 532 deletions
diff --git a/drivers/staging/go7007/saa7134-go7007.c b/drivers/staging/go7007/saa7134-go7007.c deleted file mode 100644 index 665bbf59d02..00000000000 --- a/drivers/staging/go7007/saa7134-go7007.c +++ /dev/null @@ -1,532 +0,0 @@ -/* - * Copyright (C) 2005-2006 Micronas USA Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License (Version 2) as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/spinlock.h> -#include <linux/wait.h> -#include <linux/list.h> -#include <linux/slab.h> -#include <linux/time.h> -#include <linux/mm.h> -#include <linux/usb.h> -#include <linux/i2c.h> -#include <asm/byteorder.h> -#include <media/v4l2-common.h> - -#include "saa7134-reg.h" -#include "saa7134.h" -#include "go7007-priv.h" - -#define GO7007_HPI_DEBUG - -enum hpi_address { - HPI_ADDR_VIDEO_BUFFER = 0xe4, - HPI_ADDR_INIT_BUFFER = 0xea, - HPI_ADDR_INTR_RET_VALUE = 0xee, - HPI_ADDR_INTR_RET_DATA = 0xec, - HPI_ADDR_INTR_STATUS = 0xf4, - HPI_ADDR_INTR_WR_PARAM = 0xf6, - HPI_ADDR_INTR_WR_INDEX = 0xf8, -}; - -enum gpio_command { - GPIO_COMMAND_RESET = 0x00, /* 000b */ - GPIO_COMMAND_REQ1 = 0x04, /* 001b */ - GPIO_COMMAND_WRITE = 0x20, /* 010b */ - GPIO_COMMAND_REQ2 = 0x24, /* 011b */ - GPIO_COMMAND_READ = 0x80, /* 100b */ - GPIO_COMMAND_VIDEO = 0x84, /* 101b */ - GPIO_COMMAND_IDLE = 0xA0, /* 110b */ - GPIO_COMMAND_ADDR = 0xA4, /* 111b */ -}; - -struct saa7134_go7007 { - struct saa7134_dev *dev; - u8 *top; - u8 *bottom; - dma_addr_t top_dma; - dma_addr_t bottom_dma; -}; - -static struct go7007_board_info board_voyager = { - .firmware = "go7007tv.bin", - .flags = 0, - .sensor_flags = GO7007_SENSOR_656 | - GO7007_SENSOR_VALID_ENABLE | - GO7007_SENSOR_TV | - GO7007_SENSOR_VBI, - .audio_flags = GO7007_AUDIO_I2S_MODE_1 | - GO7007_AUDIO_WORD_16, - .audio_rate = 48000, - .audio_bclk_div = 8, - .audio_main_div = 2, - .hpi_buffer_cap = 7, - .num_inputs = 1, - .inputs = { - { - .name = "SAA7134", - }, - }, -}; - -/********************* Driver for GPIO HPI interface *********************/ - -static int gpio_write(struct saa7134_dev *dev, u8 addr, u16 data) -{ - saa_writeb(SAA7134_GPIO_GPMODE0, 0xff); - - /* Write HPI address */ - saa_writeb(SAA7134_GPIO_GPSTATUS0, addr); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_ADDR); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); - - /* Write low byte */ - saa_writeb(SAA7134_GPIO_GPSTATUS0, data & 0xff); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_WRITE); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); - - /* Write high byte */ - saa_writeb(SAA7134_GPIO_GPSTATUS0, data >> 8); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_WRITE); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); - - return 0; -} - -static int gpio_read(struct saa7134_dev *dev, u8 addr, u16 *data) -{ - saa_writeb(SAA7134_GPIO_GPMODE0, 0xff); - - /* Write HPI address */ - saa_writeb(SAA7134_GPIO_GPSTATUS0, addr); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_ADDR); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); - - saa_writeb(SAA7134_GPIO_GPMODE0, 0x00); - - /* Read low byte */ - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_READ); - saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - *data = saa_readb(SAA7134_GPIO_GPSTATUS0); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); - - /* Read high byte */ - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_READ); - saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - *data |= saa_readb(SAA7134_GPIO_GPSTATUS0) << 8; - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); - - return 0; -} - -static int saa7134_go7007_interface_reset(struct go7007 *go) -{ - struct saa7134_go7007 *saa = go->hpi_context; - struct saa7134_dev *dev = saa->dev; - u32 status; - u16 intr_val, intr_data; - int count = 20; - - saa_clearb(SAA7134_TS_PARALLEL, 0x80); /* Disable TS interface */ - saa_writeb(SAA7134_GPIO_GPMODE2, 0xa4); - saa_writeb(SAA7134_GPIO_GPMODE0, 0xff); - - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_REQ1); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_RESET); - msleep(1); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_REQ1); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_REQ2); - msleep(10); - - saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - - status = saa_readb(SAA7134_GPIO_GPSTATUS2); - /*printk(KERN_DEBUG "status is %s\n", status & 0x40 ? "OK" : "not OK"); */ - - /* enter command mode...(?) */ - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_REQ1); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_REQ2); - - do { - saa_clearb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - saa_setb(SAA7134_GPIO_GPMODE3, SAA7134_GPIO_GPRESCAN); - status = saa_readb(SAA7134_GPIO_GPSTATUS2); - /*printk(KERN_INFO "gpio is %08x\n", saa_readl(SAA7134_GPIO_GPSTATUS0 >> 2)); */ - } while (--count > 0); - - /* Wait for an interrupt to indicate successful hardware reset */ - if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 || - (intr_val & ~0x1) != 0x55aa) { - printk(KERN_ERR - "saa7134-go7007: unable to reset the GO7007\n"); - return -1; - } - return 0; -} - -static int saa7134_go7007_write_interrupt(struct go7007 *go, int addr, int data) -{ - struct saa7134_go7007 *saa = go->hpi_context; - struct saa7134_dev *dev = saa->dev; - int i; - u16 status_reg; - -#ifdef GO7007_HPI_DEBUG - printk(KERN_DEBUG - "saa7134-go7007: WriteInterrupt: %04x %04x\n", addr, data); -#endif - - for (i = 0; i < 100; ++i) { - gpio_read(dev, HPI_ADDR_INTR_STATUS, &status_reg); - if (!(status_reg & 0x0010)) - break; - msleep(10); - } - if (i == 100) { - printk(KERN_ERR - "saa7134-go7007: device is hung, status reg = 0x%04x\n", - status_reg); - return -1; - } - gpio_write(dev, HPI_ADDR_INTR_WR_PARAM, data); - gpio_write(dev, HPI_ADDR_INTR_WR_INDEX, addr); - - return 0; -} - -static int saa7134_go7007_read_interrupt(struct go7007 *go) -{ - struct saa7134_go7007 *saa = go->hpi_context; - struct saa7134_dev *dev = saa->dev; - - /* XXX we need to wait if there is no interrupt available */ - go->interrupt_available = 1; - gpio_read(dev, HPI_ADDR_INTR_RET_VALUE, &go->interrupt_value); - gpio_read(dev, HPI_ADDR_INTR_RET_DATA, &go->interrupt_data); -#ifdef GO7007_HPI_DEBUG - printk(KERN_DEBUG "saa7134-go7007: ReadInterrupt: %04x %04x\n", - go->interrupt_value, go->interrupt_data); -#endif - return 0; -} - -static void saa7134_go7007_irq_ts_done(struct saa7134_dev *dev, - unsigned long status) -{ - struct go7007 *go = video_get_drvdata(dev->empress_dev); - struct saa7134_go7007 *saa = go->hpi_context; - - if (!go->streaming) - return; - if (0 != (status & 0x000f0000)) - printk(KERN_DEBUG "saa7134-go7007: irq: lost %ld\n", - (status >> 16) & 0x0f); - if (status & 0x100000) { - dma_sync_single(&dev->pci->dev, - saa->bottom_dma, PAGE_SIZE, DMA_FROM_DEVICE); - go7007_parse_video_stream(go, saa->bottom, PAGE_SIZE); - saa_writel(SAA7134_RS_BA2(5), cpu_to_le32(saa->bottom_dma)); - } else { - dma_sync_single(&dev->pci->dev, - saa->top_dma, PAGE_SIZE, DMA_FROM_DEVICE); - go7007_parse_video_stream(go, saa->top, PAGE_SIZE); - saa_writel(SAA7134_RS_BA1(5), cpu_to_le32(saa->top_dma)); - } -} - -static int saa7134_go7007_stream_start(struct go7007 *go) -{ - struct saa7134_go7007 *saa = go->hpi_context; - struct saa7134_dev *dev = saa->dev; - - saa->top_dma = dma_map_page(&dev->pci->dev, virt_to_page(saa->top), - 0, PAGE_SIZE, DMA_FROM_DEVICE); - if (!saa->top_dma) - return -ENOMEM; - saa->bottom_dma = dma_map_page(&dev->pci->dev, - virt_to_page(saa->bottom), - 0, PAGE_SIZE, DMA_FROM_DEVICE); - if (!saa->bottom_dma) { - dma_unmap_page(&dev->pci->dev, saa->top_dma, PAGE_SIZE, - DMA_FROM_DEVICE); - return -ENOMEM; - } - - saa_writel(SAA7134_VIDEO_PORT_CTRL0 >> 2, 0xA300B000); - saa_writel(SAA7134_VIDEO_PORT_CTRL4 >> 2, 0x40000200); - - /* Set HPI interface for video */ - saa_writeb(SAA7134_GPIO_GPMODE0, 0xff); - saa_writeb(SAA7134_GPIO_GPSTATUS0, HPI_ADDR_VIDEO_BUFFER); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_ADDR); - saa_writeb(SAA7134_GPIO_GPMODE0, 0x00); - - /* Enable TS interface */ - saa_writeb(SAA7134_TS_PARALLEL, 0xe6); - - /* Reset TS interface */ - saa_setb(SAA7134_TS_SERIAL1, 0x01); - saa_clearb(SAA7134_TS_SERIAL1, 0x01); - - /* Set up transfer block size */ - saa_writeb(SAA7134_TS_PARALLEL_SERIAL, 128 - 1); - saa_writeb(SAA7134_TS_DMA0, (PAGE_SIZE >> 7) - 1); - saa_writeb(SAA7134_TS_DMA1, 0); - saa_writeb(SAA7134_TS_DMA2, 0); - - /* Enable video streaming mode */ - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_VIDEO); - - saa_writel(SAA7134_RS_BA1(5), cpu_to_le32(saa->top_dma)); - saa_writel(SAA7134_RS_BA2(5), cpu_to_le32(saa->bottom_dma)); - saa_writel(SAA7134_RS_PITCH(5), 128); - saa_writel(SAA7134_RS_CONTROL(5), SAA7134_RS_CONTROL_BURST_MAX); - - /* Enable TS FIFO */ - saa_setl(SAA7134_MAIN_CTRL, SAA7134_MAIN_CTRL_TE5); - - /* Enable DMA IRQ */ - saa_setl(SAA7134_IRQ1, - SAA7134_IRQ1_INTE_RA2_1 | SAA7134_IRQ1_INTE_RA2_0); - - return 0; -} - -static int saa7134_go7007_stream_stop(struct go7007 *go) -{ - struct saa7134_go7007 *saa = go->hpi_context; - struct saa7134_dev *dev; - - if (!saa) - return -EINVAL; - dev = saa->dev; - if (!dev) - return -EINVAL; - - /* Shut down TS FIFO */ - saa_clearl(SAA7134_MAIN_CTRL, SAA7134_MAIN_CTRL_TE5); - - /* Disable DMA IRQ */ - saa_clearl(SAA7134_IRQ1, - SAA7134_IRQ1_INTE_RA2_1 | SAA7134_IRQ1_INTE_RA2_0); - - /* Disable TS interface */ - saa_clearb(SAA7134_TS_PARALLEL, 0x80); - - dma_unmap_page(&dev->pci->dev, saa->top_dma, PAGE_SIZE, - DMA_FROM_DEVICE); - dma_unmap_page(&dev->pci->dev, saa->bottom_dma, PAGE_SIZE, - DMA_FROM_DEVICE); - - return 0; -} - -static int saa7134_go7007_send_firmware(struct go7007 *go, u8 *data, int len) -{ - struct saa7134_go7007 *saa = go->hpi_context; - struct saa7134_dev *dev = saa->dev; - u16 status_reg; - int i; - -#ifdef GO7007_HPI_DEBUG - printk(KERN_DEBUG "saa7134-go7007: DownloadBuffer " - "sending %d bytes\n", len); -#endif - - while (len > 0) { - i = len > 64 ? 64 : len; - saa_writeb(SAA7134_GPIO_GPMODE0, 0xff); - saa_writeb(SAA7134_GPIO_GPSTATUS0, HPI_ADDR_INIT_BUFFER); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_ADDR); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); - while (i-- > 0) { - saa_writeb(SAA7134_GPIO_GPSTATUS0, *data); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_WRITE); - saa_writeb(SAA7134_GPIO_GPSTATUS2, GPIO_COMMAND_IDLE); - ++data; - --len; - } - for (i = 0; i < 100; ++i) { - gpio_read(dev, HPI_ADDR_INTR_STATUS, &status_reg); - if (!(status_reg & 0x0002)) - break; - } - if (i == 100) { - printk(KERN_ERR "saa7134-go7007: device is hung, " - "status reg = 0x%04x\n", status_reg); - return -1; - } - } - return 0; -} - -static int saa7134_go7007_send_command(struct go7007 *go, unsigned int cmd, - void *arg) -{ - struct saa7134_go7007 *saa = go->hpi_context; - struct saa7134_dev *dev = saa->dev; - - switch (cmd) { - case VIDIOC_S_STD: - { - v4l2_std_id *std = arg; - return saa7134_s_std_internal(dev, NULL, std); - } - case VIDIOC_G_STD: - { - v4l2_std_id *std = arg; - *std = dev->tvnorm->id; - return 0; - } - case VIDIOC_QUERYCTRL: - { - struct v4l2_queryctrl *ctrl = arg; - if (V4L2_CTRL_ID2CLASS(ctrl->id) == V4L2_CTRL_CLASS_USER) - return saa7134_queryctrl(NULL, NULL, ctrl); - } - case VIDIOC_G_CTRL: - { - struct v4l2_control *ctrl = arg; - if (V4L2_CTRL_ID2CLASS(ctrl->id) == V4L2_CTRL_CLASS_USER) - return saa7134_g_ctrl_internal(dev, NULL, ctrl); - } - case VIDIOC_S_CTRL: - { - struct v4l2_control *ctrl = arg; - if (V4L2_CTRL_ID2CLASS(ctrl->id) == V4L2_CTRL_CLASS_USER) - return saa7134_s_ctrl_internal(dev, NULL, ctrl); - } - } - return -EINVAL; - -} - -static struct go7007_hpi_ops saa7134_go7007_hpi_ops = { - .interface_reset = saa7134_go7007_interface_reset, - .write_interrupt = saa7134_go7007_write_interrupt, - .read_interrupt = saa7134_go7007_read_interrupt, - .stream_start = saa7134_go7007_stream_start, - .stream_stop = saa7134_go7007_stream_stop, - .send_firmware = saa7134_go7007_send_firmware, - .send_command = saa7134_go7007_send_command, -}; - -/********************* Add/remove functions *********************/ - -static int saa7134_go7007_init(struct saa7134_dev *dev) -{ - struct go7007 *go; - struct saa7134_go7007 *saa; - - printk(KERN_DEBUG "saa7134-go7007: probing new SAA713X board\n"); - - saa = kmalloc(sizeof(struct saa7134_go7007), GFP_KERNEL); - if (saa == NULL) - return -ENOMEM; - memset(saa, 0, sizeof(struct saa7134_go7007)); - - /* Allocate a couple pages for receiving the compressed stream */ - saa->top = (u8 *)get_zeroed_page(GFP_KERNEL); - if (!saa->top) - goto allocfail; - saa->bottom = (u8 *)get_zeroed_page(GFP_KERNEL); - if (!saa->bottom) - goto allocfail; - - go = go7007_alloc(&board_voyager, &dev->pci->dev); - if (go == NULL) - goto allocfail; - go->board_id = GO7007_BOARDID_PCI_VOYAGER; - strncpy(go->name, saa7134_boards[dev->board].name, sizeof(go->name)); - go->hpi_ops = &saa7134_go7007_hpi_ops; - go->hpi_context = saa; - saa->dev = dev; - - /* Boot the GO7007 */ - if (go7007_boot_encoder(go, go->board_info->flags & - GO7007_BOARD_USE_ONBOARD_I2C) < 0) - goto initfail; - - /* Do any final GO7007 initialization, then register the - * V4L2 and ALSA interfaces */ - if (go7007_register_encoder(go) < 0) - goto initfail; - dev->empress_dev = go->video_dev; - video_set_drvdata(dev->empress_dev, go); - - go->status = STATUS_ONLINE; - return 0; - -initfail: - go->status = STATUS_SHUTDOWN; - return 0; - -allocfail: - if (saa->top) - free_page((unsigned long)saa->top); - if (saa->bottom) - free_page((unsigned long)saa->bottom); - kfree(saa); - return -ENOMEM; -} - -static int saa7134_go7007_fini(struct saa7134_dev *dev) -{ - struct go7007 *go; - struct saa7134_go7007 *saa; - - if (NULL == dev->empress_dev) - return 0; - - go = video_get_drvdata(dev->empress_dev); - saa = go->hpi_context; - go->status = STATUS_SHUTDOWN; - free_page((unsigned long)saa->top); - free_page((unsigned long)saa->bottom); - kfree(saa); - go7007_remove(go); - dev->empress_dev = NULL; - - return 0; -} - -static struct saa7134_mpeg_ops saa7134_go7007_ops = { - .type = SAA7134_MPEG_GO7007, - .init = saa7134_go7007_init, - .fini = saa7134_go7007_fini, - .irq_ts_done = saa7134_go7007_irq_ts_done, -}; - -static int __init saa7134_go7007_mod_init(void) -{ - return saa7134_ts_register(&saa7134_go7007_ops); -} - -static void __exit saa7134_go7007_mod_cleanup(void) -{ - saa7134_ts_unregister(&saa7134_go7007_ops); -} - -module_init(saa7134_go7007_mod_init); -module_exit(saa7134_go7007_mod_cleanup); - -MODULE_LICENSE("GPL v2"); |