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android_kernel_xiaomi_sm8350/drivers/media/video/cx23885/cx23885-417.c
Arnd Bergmann 0edf2e5e2b [media] v4l: kill the BKL 
All of the hard problems for BKL removal appear to be solved in the
v4l-dvb/master tree. This removes the BKL from the various open
functions that do not need it, or only use it to protect an
open count.

The zoran driver is nontrivial in this regard, so I introduce
a new mutex that locks both the open/release and the ioctl
functions. Someone with access to the hardware can probably
improve that by using the existing lock in all cases.

Finally, all drivers that still use the locked version of the
ioctl function now get called under a new mutex instead of
the BKL.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2010-11-08 22:35:57 -02:00

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/*
*
* Support for a cx23417 mpeg encoder via cx23885 host port.
*
* (c) 2004 Jelle Foks <jelle@foks.us>
* (c) 2004 Gerd Knorr <kraxel@bytesex.org>
* (c) 2008 Steven Toth <stoth@linuxtv.org>
* - CX23885/7/8 support
*
* Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/fs.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/firmware.h>
#include <linux/slab.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/cx2341x.h>
#include "cx23885.h"
#include "cx23885-ioctl.h"
#define CX23885_FIRM_IMAGE_SIZE 376836
#define CX23885_FIRM_IMAGE_NAME "v4l-cx23885-enc.fw"
static unsigned int mpegbufs = 32;
module_param(mpegbufs, int, 0644);
MODULE_PARM_DESC(mpegbufs, "number of mpeg buffers, range 2-32");
static unsigned int mpeglines = 32;
module_param(mpeglines, int, 0644);
MODULE_PARM_DESC(mpeglines, "number of lines in an MPEG buffer, range 2-32");
static unsigned int mpeglinesize = 512;
module_param(mpeglinesize, int, 0644);
MODULE_PARM_DESC(mpeglinesize,
"number of bytes in each line of an MPEG buffer, range 512-1024");
static unsigned int v4l_debug;
module_param(v4l_debug, int, 0644);
MODULE_PARM_DESC(v4l_debug, "enable V4L debug messages");
#define dprintk(level, fmt, arg...)\
do { if (v4l_debug >= level) \
printk(KERN_DEBUG "%s: " fmt, \
(dev) ? dev->name : "cx23885[?]", ## arg); \
} while (0)
static struct cx23885_tvnorm cx23885_tvnorms[] = {
{
.name = "NTSC-M",
.id = V4L2_STD_NTSC_M,
}, {
.name = "NTSC-JP",
.id = V4L2_STD_NTSC_M_JP,
}, {
.name = "PAL-BG",
.id = V4L2_STD_PAL_BG,
}, {
.name = "PAL-DK",
.id = V4L2_STD_PAL_DK,
}, {
.name = "PAL-I",
.id = V4L2_STD_PAL_I,
}, {
.name = "PAL-M",
.id = V4L2_STD_PAL_M,
}, {
.name = "PAL-N",
.id = V4L2_STD_PAL_N,
}, {
.name = "PAL-Nc",
.id = V4L2_STD_PAL_Nc,
}, {
.name = "PAL-60",
.id = V4L2_STD_PAL_60,
}, {
.name = "SECAM-L",
.id = V4L2_STD_SECAM_L,
}, {
.name = "SECAM-DK",
.id = V4L2_STD_SECAM_DK,
}
};
/* ------------------------------------------------------------------ */
enum cx23885_capture_type {
CX23885_MPEG_CAPTURE,
CX23885_RAW_CAPTURE,
CX23885_RAW_PASSTHRU_CAPTURE
};
enum cx23885_capture_bits {
CX23885_RAW_BITS_NONE = 0x00,
CX23885_RAW_BITS_YUV_CAPTURE = 0x01,
CX23885_RAW_BITS_PCM_CAPTURE = 0x02,
CX23885_RAW_BITS_VBI_CAPTURE = 0x04,
CX23885_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
CX23885_RAW_BITS_TO_HOST_CAPTURE = 0x10
};
enum cx23885_capture_end {
CX23885_END_AT_GOP, /* stop at the end of gop, generate irq */
CX23885_END_NOW, /* stop immediately, no irq */
};
enum cx23885_framerate {
CX23885_FRAMERATE_NTSC_30, /* NTSC: 30fps */
CX23885_FRAMERATE_PAL_25 /* PAL: 25fps */
};
enum cx23885_stream_port {
CX23885_OUTPUT_PORT_MEMORY,
CX23885_OUTPUT_PORT_STREAMING,
CX23885_OUTPUT_PORT_SERIAL
};
enum cx23885_data_xfer_status {
CX23885_MORE_BUFFERS_FOLLOW,
CX23885_LAST_BUFFER,
};
enum cx23885_picture_mask {
CX23885_PICTURE_MASK_NONE,
CX23885_PICTURE_MASK_I_FRAMES,
CX23885_PICTURE_MASK_I_P_FRAMES = 0x3,
CX23885_PICTURE_MASK_ALL_FRAMES = 0x7,
};
enum cx23885_vbi_mode_bits {
CX23885_VBI_BITS_SLICED,
CX23885_VBI_BITS_RAW,
};
enum cx23885_vbi_insertion_bits {
CX23885_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
CX23885_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
CX23885_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
CX23885_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
CX23885_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
};
enum cx23885_dma_unit {
CX23885_DMA_BYTES,
CX23885_DMA_FRAMES,
};
enum cx23885_dma_transfer_status_bits {
CX23885_DMA_TRANSFER_BITS_DONE = 0x01,
CX23885_DMA_TRANSFER_BITS_ERROR = 0x04,
CX23885_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
};
enum cx23885_pause {
CX23885_PAUSE_ENCODING,
CX23885_RESUME_ENCODING,
};
enum cx23885_copyright {
CX23885_COPYRIGHT_OFF,
CX23885_COPYRIGHT_ON,
};
enum cx23885_notification_type {
CX23885_NOTIFICATION_REFRESH,
};
enum cx23885_notification_status {
CX23885_NOTIFICATION_OFF,
CX23885_NOTIFICATION_ON,
};
enum cx23885_notification_mailbox {
CX23885_NOTIFICATION_NO_MAILBOX = -1,
};
enum cx23885_field1_lines {
CX23885_FIELD1_SAA7114 = 0x00EF, /* 239 */
CX23885_FIELD1_SAA7115 = 0x00F0, /* 240 */
CX23885_FIELD1_MICRONAS = 0x0105, /* 261 */
};
enum cx23885_field2_lines {
CX23885_FIELD2_SAA7114 = 0x00EF, /* 239 */
CX23885_FIELD2_SAA7115 = 0x00F0, /* 240 */
CX23885_FIELD2_MICRONAS = 0x0106, /* 262 */
};
enum cx23885_custom_data_type {
CX23885_CUSTOM_EXTENSION_USR_DATA,
CX23885_CUSTOM_PRIVATE_PACKET,
};
enum cx23885_mute {
CX23885_UNMUTE,
CX23885_MUTE,
};
enum cx23885_mute_video_mask {
CX23885_MUTE_VIDEO_V_MASK = 0x0000FF00,
CX23885_MUTE_VIDEO_U_MASK = 0x00FF0000,
CX23885_MUTE_VIDEO_Y_MASK = 0xFF000000,
};
enum cx23885_mute_video_shift {
CX23885_MUTE_VIDEO_V_SHIFT = 8,
CX23885_MUTE_VIDEO_U_SHIFT = 16,
CX23885_MUTE_VIDEO_Y_SHIFT = 24,
};
/* defines below are from ivtv-driver.h */
#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
/* Firmware API commands */
#define IVTV_API_STD_TIMEOUT 500
/* Registers */
/* IVTV_REG_OFFSET */
#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8)
#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC)
#define IVTV_REG_SPU (0x9050)
#define IVTV_REG_HW_BLOCKS (0x9054)
#define IVTV_REG_VPU (0x9058)
#define IVTV_REG_APU (0xA064)
/**** Bit definitions for MC417_RWD and MC417_OEN registers ***
bits 31-16
+-----------+
| Reserved |
+-----------+
bit 15 bit 14 bit 13 bit 12 bit 11 bit 10 bit 9 bit 8
+-------+-------+-------+-------+-------+-------+-------+-------+
| MIWR# | MIRD# | MICS# |MIRDY# |MIADDR3|MIADDR2|MIADDR1|MIADDR0|
+-------+-------+-------+-------+-------+-------+-------+-------+
bit 7 bit 6 bit 5 bit 4 bit 3 bit 2 bit 1 bit 0
+-------+-------+-------+-------+-------+-------+-------+-------+
|MIDATA7|MIDATA6|MIDATA5|MIDATA4|MIDATA3|MIDATA2|MIDATA1|MIDATA0|
+-------+-------+-------+-------+-------+-------+-------+-------+
***/
#define MC417_MIWR 0x8000
#define MC417_MIRD 0x4000
#define MC417_MICS 0x2000
#define MC417_MIRDY 0x1000
#define MC417_MIADDR 0x0F00
#define MC417_MIDATA 0x00FF
/* MIADDR* nibble definitions */
#define MCI_MEMORY_DATA_BYTE0 0x000
#define MCI_MEMORY_DATA_BYTE1 0x100
#define MCI_MEMORY_DATA_BYTE2 0x200
#define MCI_MEMORY_DATA_BYTE3 0x300
#define MCI_MEMORY_ADDRESS_BYTE2 0x400
#define MCI_MEMORY_ADDRESS_BYTE1 0x500
#define MCI_MEMORY_ADDRESS_BYTE0 0x600
#define MCI_REGISTER_DATA_BYTE0 0x800
#define MCI_REGISTER_DATA_BYTE1 0x900
#define MCI_REGISTER_DATA_BYTE2 0xA00
#define MCI_REGISTER_DATA_BYTE3 0xB00
#define MCI_REGISTER_ADDRESS_BYTE0 0xC00
#define MCI_REGISTER_ADDRESS_BYTE1 0xD00
#define MCI_REGISTER_MODE 0xE00
/* Read and write modes */
#define MCI_MODE_REGISTER_READ 0
#define MCI_MODE_REGISTER_WRITE 1
#define MCI_MODE_MEMORY_READ 0
#define MCI_MODE_MEMORY_WRITE 0x40
/*** Bit definitions for MC417_CTL register ****
bits 31-6 bits 5-4 bit 3 bits 2-1 Bit 0
+--------+-------------+--------+--------------+------------+
|Reserved|MC417_SPD_CTL|Reserved|MC417_GPIO_SEL|UART_GPIO_EN|
+--------+-------------+--------+--------------+------------+
***/
#define MC417_SPD_CTL(x) (((x) << 4) & 0x00000030)
#define MC417_GPIO_SEL(x) (((x) << 1) & 0x00000006)
#define MC417_UART_GPIO_EN 0x00000001
/* Values for speed control */
#define MC417_SPD_CTL_SLOW 0x1
#define MC417_SPD_CTL_MEDIUM 0x0
#define MC417_SPD_CTL_FAST 0x3 /* b'1x, but we use b'11 */
/* Values for GPIO select */
#define MC417_GPIO_SEL_GPIO3 0x3
#define MC417_GPIO_SEL_GPIO2 0x2
#define MC417_GPIO_SEL_GPIO1 0x1
#define MC417_GPIO_SEL_GPIO0 0x0
void cx23885_mc417_init(struct cx23885_dev *dev)
{
u32 regval;
dprintk(2, "%s()\n", __func__);
/* Configure MC417_CTL register to defaults. */
regval = MC417_SPD_CTL(MC417_SPD_CTL_FAST) |
MC417_GPIO_SEL(MC417_GPIO_SEL_GPIO3) |
MC417_UART_GPIO_EN;
cx_write(MC417_CTL, regval);
/* Configure MC417_OEN to defaults. */
regval = MC417_MIRDY;
cx_write(MC417_OEN, regval);
/* Configure MC417_RWD to defaults. */
regval = MC417_MIWR | MC417_MIRD | MC417_MICS;
cx_write(MC417_RWD, regval);
}
static int mc417_wait_ready(struct cx23885_dev *dev)
{
u32 mi_ready;
unsigned long timeout = jiffies + msecs_to_jiffies(1);
for (;;) {
mi_ready = cx_read(MC417_RWD) & MC417_MIRDY;
if (mi_ready != 0)
return 0;
if (time_after(jiffies, timeout))
return -1;
udelay(1);
}
}
int mc417_register_write(struct cx23885_dev *dev, u16 address, u32 value)
{
u32 regval;
/* Enable MC417 GPIO outputs except for MC417_MIRDY,
* which is an input.
*/
cx_write(MC417_OEN, MC417_MIRDY);
/* Write data byte 0 */
regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0 |
(value & 0x000000FF);
cx_write(MC417_RWD, regval);
/* Transition CS/WR to effect write transaction across bus. */
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Write data byte 1 */
regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1 |
((value >> 8) & 0x000000FF);
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Write data byte 2 */
regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2 |
((value >> 16) & 0x000000FF);
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Write data byte 3 */
regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3 |
((value >> 24) & 0x000000FF);
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Write address byte 0 */
regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 |
(address & 0xFF);
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Write address byte 1 */
regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 |
((address >> 8) & 0xFF);
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Indicate that this is a write. */
regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE |
MCI_MODE_REGISTER_WRITE;
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Wait for the trans to complete (MC417_MIRDY asserted). */
return mc417_wait_ready(dev);
}
int mc417_register_read(struct cx23885_dev *dev, u16 address, u32 *value)
{
int retval;
u32 regval;
u32 tempval;
u32 dataval;
/* Enable MC417 GPIO outputs except for MC417_MIRDY,
* which is an input.
*/
cx_write(MC417_OEN, MC417_MIRDY);
/* Write address byte 0 */
regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE0 |
((address & 0x00FF));
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Write address byte 1 */
regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_ADDRESS_BYTE1 |
((address >> 8) & 0xFF);
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Indicate that this is a register read. */
regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_MODE |
MCI_MODE_REGISTER_READ;
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Wait for the trans to complete (MC417_MIRDY asserted). */
retval = mc417_wait_ready(dev);
/* switch the DAT0-7 GPIO[10:3] to input mode */
cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA);
/* Read data byte 0 */
regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0;
cx_write(MC417_RWD, regval);
/* Transition RD to effect read transaction across bus.
* Transtion 0x5000 -> 0x9000 correct (RD/RDY -> WR/RDY)?
* Should it be 0x9000 -> 0xF000 (also why is RDY being set, its
* input only...)
*/
regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE0;
cx_write(MC417_RWD, regval);
/* Collect byte */
tempval = cx_read(MC417_RWD);
dataval = tempval & 0x000000FF;
/* Bring CS and RD high. */
regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
cx_write(MC417_RWD, regval);
/* Read data byte 1 */
regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1;
cx_write(MC417_RWD, regval);
regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE1;
cx_write(MC417_RWD, regval);
tempval = cx_read(MC417_RWD);
dataval |= ((tempval & 0x000000FF) << 8);
regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
cx_write(MC417_RWD, regval);
/* Read data byte 2 */
regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2;
cx_write(MC417_RWD, regval);
regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE2;
cx_write(MC417_RWD, regval);
tempval = cx_read(MC417_RWD);
dataval |= ((tempval & 0x000000FF) << 16);
regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
cx_write(MC417_RWD, regval);
/* Read data byte 3 */
regval = MC417_MIRD | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3;
cx_write(MC417_RWD, regval);
regval = MC417_MIWR | MC417_MIRDY | MCI_REGISTER_DATA_BYTE3;
cx_write(MC417_RWD, regval);
tempval = cx_read(MC417_RWD);
dataval |= ((tempval & 0x000000FF) << 24);
regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
cx_write(MC417_RWD, regval);
*value = dataval;
return retval;
}
int mc417_memory_write(struct cx23885_dev *dev, u32 address, u32 value)
{
u32 regval;
/* Enable MC417 GPIO outputs except for MC417_MIRDY,
* which is an input.
*/
cx_write(MC417_OEN, MC417_MIRDY);
/* Write data byte 0 */
regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0 |
(value & 0x000000FF);
cx_write(MC417_RWD, regval);
/* Transition CS/WR to effect write transaction across bus. */
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Write data byte 1 */
regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1 |
((value >> 8) & 0x000000FF);
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Write data byte 2 */
regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2 |
((value >> 16) & 0x000000FF);
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Write data byte 3 */
regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3 |
((value >> 24) & 0x000000FF);
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Write address byte 2 */
regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 |
MCI_MODE_MEMORY_WRITE | ((address >> 16) & 0x3F);
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Write address byte 1 */
regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 |
((address >> 8) & 0xFF);
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Write address byte 0 */
regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 |
(address & 0xFF);
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Wait for the trans to complete (MC417_MIRDY asserted). */
return mc417_wait_ready(dev);
}
int mc417_memory_read(struct cx23885_dev *dev, u32 address, u32 *value)
{
int retval;
u32 regval;
u32 tempval;
u32 dataval;
/* Enable MC417 GPIO outputs except for MC417_MIRDY,
* which is an input.
*/
cx_write(MC417_OEN, MC417_MIRDY);
/* Write address byte 2 */
regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE2 |
MCI_MODE_MEMORY_READ | ((address >> 16) & 0x3F);
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Write address byte 1 */
regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE1 |
((address >> 8) & 0xFF);
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Write address byte 0 */
regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_ADDRESS_BYTE0 |
(address & 0xFF);
cx_write(MC417_RWD, regval);
regval |= MC417_MICS | MC417_MIWR;
cx_write(MC417_RWD, regval);
/* Wait for the trans to complete (MC417_MIRDY asserted). */
retval = mc417_wait_ready(dev);
/* switch the DAT0-7 GPIO[10:3] to input mode */
cx_write(MC417_OEN, MC417_MIRDY | MC417_MIDATA);
/* Read data byte 3 */
regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3;
cx_write(MC417_RWD, regval);
/* Transition RD to effect read transaction across bus. */
regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE3;
cx_write(MC417_RWD, regval);
/* Collect byte */
tempval = cx_read(MC417_RWD);
dataval = ((tempval & 0x000000FF) << 24);
/* Bring CS and RD high. */
regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
cx_write(MC417_RWD, regval);
/* Read data byte 2 */
regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2;
cx_write(MC417_RWD, regval);
regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE2;
cx_write(MC417_RWD, regval);
tempval = cx_read(MC417_RWD);
dataval |= ((tempval & 0x000000FF) << 16);
regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
cx_write(MC417_RWD, regval);
/* Read data byte 1 */
regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1;
cx_write(MC417_RWD, regval);
regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE1;
cx_write(MC417_RWD, regval);
tempval = cx_read(MC417_RWD);
dataval |= ((tempval & 0x000000FF) << 8);
regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
cx_write(MC417_RWD, regval);
/* Read data byte 0 */
regval = MC417_MIRD | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0;
cx_write(MC417_RWD, regval);
regval = MC417_MIWR | MC417_MIRDY | MCI_MEMORY_DATA_BYTE0;
cx_write(MC417_RWD, regval);
tempval = cx_read(MC417_RWD);
dataval |= (tempval & 0x000000FF);
regval = MC417_MIWR | MC417_MIRD | MC417_MICS | MC417_MIRDY;
cx_write(MC417_RWD, regval);
*value = dataval;
return retval;
}
void mc417_gpio_set(struct cx23885_dev *dev, u32 mask)
{
u32 val;
/* Set the gpio value */
mc417_register_read(dev, 0x900C, &val);
val |= (mask & 0x000ffff);
mc417_register_write(dev, 0x900C, val);
}
void mc417_gpio_clear(struct cx23885_dev *dev, u32 mask)
{
u32 val;
/* Clear the gpio value */
mc417_register_read(dev, 0x900C, &val);
val &= ~(mask & 0x0000ffff);
mc417_register_write(dev, 0x900C, val);
}
void mc417_gpio_enable(struct cx23885_dev *dev, u32 mask, int asoutput)
{
u32 val;
/* Enable GPIO direction bits */
mc417_register_read(dev, 0x9020, &val);
if (asoutput)
val |= (mask & 0x0000ffff);
else
val &= ~(mask & 0x0000ffff);
mc417_register_write(dev, 0x9020, val);
}
/* ------------------------------------------------------------------ */
/* MPEG encoder API */
static char *cmd_to_str(int cmd)
{
switch (cmd) {
case CX2341X_ENC_PING_FW:
return "PING_FW";
case CX2341X_ENC_START_CAPTURE:
return "START_CAPTURE";
case CX2341X_ENC_STOP_CAPTURE:
return "STOP_CAPTURE";
case CX2341X_ENC_SET_AUDIO_ID:
return "SET_AUDIO_ID";
case CX2341X_ENC_SET_VIDEO_ID:
return "SET_VIDEO_ID";
case CX2341X_ENC_SET_PCR_ID:
return "SET_PCR_ID";
case CX2341X_ENC_SET_FRAME_RATE:
return "SET_FRAME_RATE";
case CX2341X_ENC_SET_FRAME_SIZE:
return "SET_FRAME_SIZE";
case CX2341X_ENC_SET_BIT_RATE:
return "SET_BIT_RATE";
case CX2341X_ENC_SET_GOP_PROPERTIES:
return "SET_GOP_PROPERTIES";
case CX2341X_ENC_SET_ASPECT_RATIO:
return "SET_ASPECT_RATIO";
case CX2341X_ENC_SET_DNR_FILTER_MODE:
return "SET_DNR_FILTER_MODE";
case CX2341X_ENC_SET_DNR_FILTER_PROPS:
return "SET_DNR_FILTER_PROPS";
case CX2341X_ENC_SET_CORING_LEVELS:
return "SET_CORING_LEVELS";
case CX2341X_ENC_SET_SPATIAL_FILTER_TYPE:
return "SET_SPATIAL_FILTER_TYPE";
case CX2341X_ENC_SET_VBI_LINE:
return "SET_VBI_LINE";
case CX2341X_ENC_SET_STREAM_TYPE:
return "SET_STREAM_TYPE";
case CX2341X_ENC_SET_OUTPUT_PORT:
return "SET_OUTPUT_PORT";
case CX2341X_ENC_SET_AUDIO_PROPERTIES:
return "SET_AUDIO_PROPERTIES";
case CX2341X_ENC_HALT_FW:
return "HALT_FW";
case CX2341X_ENC_GET_VERSION:
return "GET_VERSION";
case CX2341X_ENC_SET_GOP_CLOSURE:
return "SET_GOP_CLOSURE";
case CX2341X_ENC_GET_SEQ_END:
return "GET_SEQ_END";
case CX2341X_ENC_SET_PGM_INDEX_INFO:
return "SET_PGM_INDEX_INFO";
case CX2341X_ENC_SET_VBI_CONFIG:
return "SET_VBI_CONFIG";
case CX2341X_ENC_SET_DMA_BLOCK_SIZE:
return "SET_DMA_BLOCK_SIZE";
case CX2341X_ENC_GET_PREV_DMA_INFO_MB_10:
return "GET_PREV_DMA_INFO_MB_10";
case CX2341X_ENC_GET_PREV_DMA_INFO_MB_9:
return "GET_PREV_DMA_INFO_MB_9";
case CX2341X_ENC_SCHED_DMA_TO_HOST:
return "SCHED_DMA_TO_HOST";
case CX2341X_ENC_INITIALIZE_INPUT:
return "INITIALIZE_INPUT";
case CX2341X_ENC_SET_FRAME_DROP_RATE:
return "SET_FRAME_DROP_RATE";
case CX2341X_ENC_PAUSE_ENCODER:
return "PAUSE_ENCODER";
case CX2341X_ENC_REFRESH_INPUT:
return "REFRESH_INPUT";
case CX2341X_ENC_SET_COPYRIGHT:
return "SET_COPYRIGHT";
case CX2341X_ENC_SET_EVENT_NOTIFICATION:
return "SET_EVENT_NOTIFICATION";
case CX2341X_ENC_SET_NUM_VSYNC_LINES:
return "SET_NUM_VSYNC_LINES";
case CX2341X_ENC_SET_PLACEHOLDER:
return "SET_PLACEHOLDER";
case CX2341X_ENC_MUTE_VIDEO:
return "MUTE_VIDEO";
case CX2341X_ENC_MUTE_AUDIO:
return "MUTE_AUDIO";
case CX2341X_ENC_MISC:
return "MISC";
default:
return "UNKNOWN";
}
}
static int cx23885_mbox_func(void *priv,
u32 command,
int in,
int out,
u32 data[CX2341X_MBOX_MAX_DATA])
{
struct cx23885_dev *dev = priv;
unsigned long timeout;
u32 value, flag, retval = 0;
int i;
dprintk(3, "%s: command(0x%X) = %s\n", __func__, command,
cmd_to_str(command));
/* this may not be 100% safe if we can't read any memory location
without side effects */
mc417_memory_read(dev, dev->cx23417_mailbox - 4, &value);
if (value != 0x12345678) {
printk(KERN_ERR
"Firmware and/or mailbox pointer not initialized "
"or corrupted, signature = 0x%x, cmd = %s\n", value,
cmd_to_str(command));
return -1;
}
/* This read looks at 32 bits, but flag is only 8 bits.
* Seems we also bail if CMD or TIMEOUT bytes are set???
*/
mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
if (flag) {
printk(KERN_ERR "ERROR: Mailbox appears to be in use "
"(%x), cmd = %s\n", flag, cmd_to_str(command));
return -1;
}
flag |= 1; /* tell 'em we're working on it */
mc417_memory_write(dev, dev->cx23417_mailbox, flag);
/* write command + args + fill remaining with zeros */
/* command code */
mc417_memory_write(dev, dev->cx23417_mailbox + 1, command);
mc417_memory_write(dev, dev->cx23417_mailbox + 3,
IVTV_API_STD_TIMEOUT); /* timeout */
for (i = 0; i < in; i++) {
mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, data[i]);
dprintk(3, "API Input %d = %d\n", i, data[i]);
}
for (; i < CX2341X_MBOX_MAX_DATA; i++)
mc417_memory_write(dev, dev->cx23417_mailbox + 4 + i, 0);
flag |= 3; /* tell 'em we're done writing */
mc417_memory_write(dev, dev->cx23417_mailbox, flag);
/* wait for firmware to handle the API command */
timeout = jiffies + msecs_to_jiffies(10);
for (;;) {
mc417_memory_read(dev, dev->cx23417_mailbox, &flag);
if (0 != (flag & 4))
break;
if (time_after(jiffies, timeout)) {
printk(KERN_ERR "ERROR: API Mailbox timeout\n");
return -1;
}
udelay(10);
}
/* read output values */
for (i = 0; i < out; i++) {
mc417_memory_read(dev, dev->cx23417_mailbox + 4 + i, data + i);
dprintk(3, "API Output %d = %d\n", i, data[i]);
}
mc417_memory_read(dev, dev->cx23417_mailbox + 2, &retval);
dprintk(3, "API result = %d\n", retval);
flag = 0;
mc417_memory_write(dev, dev->cx23417_mailbox, flag);
return retval;
}
/* We don't need to call the API often, so using just one
* mailbox will probably suffice
*/
static int cx23885_api_cmd(struct cx23885_dev *dev,
u32 command,
u32 inputcnt,
u32 outputcnt,
...)
{
u32 data[CX2341X_MBOX_MAX_DATA];
va_list vargs;
int i, err;
dprintk(3, "%s() cmds = 0x%08x\n", __func__, command);
va_start(vargs, outputcnt);
for (i = 0; i < inputcnt; i++)
data[i] = va_arg(vargs, int);
err = cx23885_mbox_func(dev, command, inputcnt, outputcnt, data);
for (i = 0; i < outputcnt; i++) {
int *vptr = va_arg(vargs, int *);
*vptr = data[i];
}
va_end(vargs);
return err;
}
static int cx23885_find_mailbox(struct cx23885_dev *dev)
{
u32 signature[4] = {
0x12345678, 0x34567812, 0x56781234, 0x78123456
};
int signaturecnt = 0;
u32 value;
int i;
dprintk(2, "%s()\n", __func__);
for (i = 0; i < CX23885_FIRM_IMAGE_SIZE; i++) {
mc417_memory_read(dev, i, &value);
if (value == signature[signaturecnt])
signaturecnt++;
else
signaturecnt = 0;
if (4 == signaturecnt) {
dprintk(1, "Mailbox signature found at 0x%x\n", i+1);
return i+1;
}
}
printk(KERN_ERR "Mailbox signature values not found!\n");
return -1;
}
static int cx23885_load_firmware(struct cx23885_dev *dev)
{
static const unsigned char magic[8] = {
0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
};
const struct firmware *firmware;
int i, retval = 0;
u32 value = 0;
u32 gpio_output = 0;
u32 checksum = 0;
u32 *dataptr;
dprintk(2, "%s()\n", __func__);
/* Save GPIO settings before reset of APU */
retval |= mc417_memory_read(dev, 0x9020, &gpio_output);
retval |= mc417_memory_read(dev, 0x900C, &value);
retval = mc417_register_write(dev,
IVTV_REG_VPU, 0xFFFFFFED);
retval |= mc417_register_write(dev,
IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
retval |= mc417_register_write(dev,
IVTV_REG_ENC_SDRAM_REFRESH, 0x80000800);
retval |= mc417_register_write(dev,
IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
retval |= mc417_register_write(dev,
IVTV_REG_APU, 0);
if (retval != 0) {
printk(KERN_ERR "%s: Error with mc417_register_write\n",
__func__);
return -1;
}
retval = request_firmware(&firmware, CX23885_FIRM_IMAGE_NAME,
&dev->pci->dev);
if (retval != 0) {
printk(KERN_ERR
"ERROR: Hotplug firmware request failed (%s).\n",
CX23885_FIRM_IMAGE_NAME);
printk(KERN_ERR "Please fix your hotplug setup, the board will "
"not work without firmware loaded!\n");
return -1;
}
if (firmware->size != CX23885_FIRM_IMAGE_SIZE) {
printk(KERN_ERR "ERROR: Firmware size mismatch "
"(have %zd, expected %d)\n",
firmware->size, CX23885_FIRM_IMAGE_SIZE);
release_firmware(firmware);
return -1;
}
if (0 != memcmp(firmware->data, magic, 8)) {
printk(KERN_ERR
"ERROR: Firmware magic mismatch, wrong file?\n");
release_firmware(firmware);
return -1;
}
/* transfer to the chip */
dprintk(2, "Loading firmware ...\n");
dataptr = (u32 *)firmware->data;
for (i = 0; i < (firmware->size >> 2); i++) {
value = *dataptr;
checksum += ~value;
if (mc417_memory_write(dev, i, value) != 0) {
printk(KERN_ERR "ERROR: Loading firmware failed!\n");
release_firmware(firmware);
return -1;
}
dataptr++;
}
/* read back to verify with the checksum */
dprintk(1, "Verifying firmware ...\n");
for (i--; i >= 0; i--) {
if (mc417_memory_read(dev, i, &value) != 0) {
printk(KERN_ERR "ERROR: Reading firmware failed!\n");
release_firmware(firmware);
return -1;
}
checksum -= ~value;
}
if (checksum) {
printk(KERN_ERR
"ERROR: Firmware load failed (checksum mismatch).\n");
release_firmware(firmware);
return -1;
}
release_firmware(firmware);
dprintk(1, "Firmware upload successful.\n");
retval |= mc417_register_write(dev, IVTV_REG_HW_BLOCKS,
IVTV_CMD_HW_BLOCKS_RST);
/* F/W power up disturbs the GPIOs, restore state */
retval |= mc417_register_write(dev, 0x9020, gpio_output);
retval |= mc417_register_write(dev, 0x900C, value);
retval |= mc417_register_read(dev, IVTV_REG_VPU, &value);
retval |= mc417_register_write(dev, IVTV_REG_VPU, value & 0xFFFFFFE8);
if (retval < 0)
printk(KERN_ERR "%s: Error with mc417_register_write\n",
__func__);
return 0;
}
void cx23885_417_check_encoder(struct cx23885_dev *dev)
{
u32 status, seq;
status = seq = 0;
cx23885_api_cmd(dev, CX2341X_ENC_GET_SEQ_END, 0, 2, &status, &seq);
dprintk(1, "%s() status = %d, seq = %d\n", __func__, status, seq);
}
static void cx23885_codec_settings(struct cx23885_dev *dev)
{
dprintk(1, "%s()\n", __func__);
/* assign frame size */
cx23885_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
dev->ts1.height, dev->ts1.width);
dev->mpeg_params.width = dev->ts1.width;
dev->mpeg_params.height = dev->ts1.height;
dev->mpeg_params.is_50hz =
(dev->encodernorm.id & V4L2_STD_625_50) != 0;
cx2341x_update(dev, cx23885_mbox_func, NULL, &dev->mpeg_params);
cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 3, 1);
cx23885_api_cmd(dev, CX2341X_ENC_MISC, 2, 0, 4, 1);
}
static int cx23885_initialize_codec(struct cx23885_dev *dev)
{
int version;
int retval;
u32 i, data[7];
dprintk(1, "%s()\n", __func__);
retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
if (retval < 0) {
dprintk(2, "%s() PING OK\n", __func__);
retval = cx23885_load_firmware(dev);
if (retval < 0) {
printk(KERN_ERR "%s() f/w load failed\n", __func__);
return retval;
}
retval = cx23885_find_mailbox(dev);
if (retval < 0) {
printk(KERN_ERR "%s() mailbox < 0, error\n",
__func__);
return -1;
}
dev->cx23417_mailbox = retval;
retval = cx23885_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
if (retval < 0) {
printk(KERN_ERR
"ERROR: cx23417 firmware ping failed!\n");
return -1;
}
retval = cx23885_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1,
&version);
if (retval < 0) {
printk(KERN_ERR "ERROR: cx23417 firmware get encoder :"
"version failed!\n");
return -1;
}
dprintk(1, "cx23417 firmware version is 0x%08x\n", version);
msleep(200);
}
cx23885_codec_settings(dev);
msleep(60);
cx23885_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
CX23885_FIELD1_SAA7115, CX23885_FIELD2_SAA7115);
cx23885_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
CX23885_CUSTOM_EXTENSION_USR_DATA, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0);
/* Setup to capture VBI */
data[0] = 0x0001BD00;
data[1] = 1; /* frames per interrupt */
data[2] = 4; /* total bufs */
data[3] = 0x91559155; /* start codes */
data[4] = 0x206080C0; /* stop codes */
data[5] = 6; /* lines */
data[6] = 64; /* BPL */
cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_CONFIG, 7, 0, data[0], data[1],
data[2], data[3], data[4], data[5], data[6]);
for (i = 2; i <= 24; i++) {
int valid;
valid = ((i >= 19) && (i <= 21));
cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0, i,
valid, 0 , 0, 0);
cx23885_api_cmd(dev, CX2341X_ENC_SET_VBI_LINE, 5, 0,
i | 0x80000000, valid, 0, 0, 0);
}
cx23885_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, CX23885_UNMUTE);
msleep(60);
/* initialize the video input */
cx23885_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
msleep(60);
/* Enable VIP style pixel invalidation so we work with scaled mode */
mc417_memory_write(dev, 2120, 0x00000080);
/* start capturing to the host interface */
cx23885_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
CX23885_MPEG_CAPTURE, CX23885_RAW_BITS_NONE);
msleep(10);
return 0;
}
/* ------------------------------------------------------------------ */
static int bb_buf_setup(struct videobuf_queue *q,
unsigned int *count, unsigned int *size)
{
struct cx23885_fh *fh = q->priv_data;
fh->dev->ts1.ts_packet_size = mpeglinesize;
fh->dev->ts1.ts_packet_count = mpeglines;
*size = fh->dev->ts1.ts_packet_size * fh->dev->ts1.ts_packet_count;
*count = mpegbufs;
return 0;
}
static int bb_buf_prepare(struct videobuf_queue *q,
struct videobuf_buffer *vb, enum v4l2_field field)
{
struct cx23885_fh *fh = q->priv_data;
return cx23885_buf_prepare(q, &fh->dev->ts1,
(struct cx23885_buffer *)vb,
field);
}
static void bb_buf_queue(struct videobuf_queue *q,
struct videobuf_buffer *vb)
{
struct cx23885_fh *fh = q->priv_data;
cx23885_buf_queue(&fh->dev->ts1, (struct cx23885_buffer *)vb);
}
static void bb_buf_release(struct videobuf_queue *q,
struct videobuf_buffer *vb)
{
cx23885_free_buffer(q, (struct cx23885_buffer *)vb);
}
static struct videobuf_queue_ops cx23885_qops = {
.buf_setup = bb_buf_setup,
.buf_prepare = bb_buf_prepare,
.buf_queue = bb_buf_queue,
.buf_release = bb_buf_release,
};
/* ------------------------------------------------------------------ */
static const u32 *ctrl_classes[] = {
cx2341x_mpeg_ctrls,
NULL
};
static int cx23885_queryctrl(struct cx23885_dev *dev,
struct v4l2_queryctrl *qctrl)
{
qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
if (qctrl->id == 0)
return -EINVAL;
/* MPEG V4L2 controls */
if (cx2341x_ctrl_query(&dev->mpeg_params, qctrl))
qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
return 0;
}
static int cx23885_querymenu(struct cx23885_dev *dev,
struct v4l2_querymenu *qmenu)
{
struct v4l2_queryctrl qctrl;
qctrl.id = qmenu->id;
cx23885_queryctrl(dev, &qctrl);
return v4l2_ctrl_query_menu(qmenu, &qctrl,
cx2341x_ctrl_get_menu(&dev->mpeg_params, qmenu->id));
}
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *id)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
unsigned int i;
for (i = 0; i < ARRAY_SIZE(cx23885_tvnorms); i++)
if (*id & cx23885_tvnorms[i].id)
break;
if (i == ARRAY_SIZE(cx23885_tvnorms))
return -EINVAL;
dev->encodernorm = cx23885_tvnorms[i];
return 0;
}
static int vidioc_enum_input(struct file *file, void *priv,
struct v4l2_input *i)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
struct cx23885_input *input;
int n;
if (i->index >= 4)
return -EINVAL;
input = &cx23885_boards[dev->board].input[i->index];
if (input->type == 0)
return -EINVAL;
/* FIXME
* strcpy(i->name, input->name); */
strcpy(i->name, "unset");
if (input->type == CX23885_VMUX_TELEVISION ||
input->type == CX23885_VMUX_CABLE)
i->type = V4L2_INPUT_TYPE_TUNER;
else
i->type = V4L2_INPUT_TYPE_CAMERA;
for (n = 0; n < ARRAY_SIZE(cx23885_tvnorms); n++)
i->std |= cx23885_tvnorms[n].id;
return 0;
}
static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
*i = dev->input;
return 0;
}
static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
{
if (i >= 4)
return -EINVAL;
return 0;
}
static int vidioc_g_tuner(struct file *file, void *priv,
struct v4l2_tuner *t)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
if (UNSET == dev->tuner_type)
return -EINVAL;
if (0 != t->index)
return -EINVAL;
strcpy(t->name, "Television");
call_all(dev, tuner, g_tuner, t);
dprintk(1, "VIDIOC_G_TUNER: tuner type %d\n", t->type);
return 0;
}
static int vidioc_s_tuner(struct file *file, void *priv,
struct v4l2_tuner *t)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
if (UNSET == dev->tuner_type)
return -EINVAL;
/* Update the A/V core */
call_all(dev, tuner, s_tuner, t);
return 0;
}
static int vidioc_g_frequency(struct file *file, void *priv,
struct v4l2_frequency *f)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
if (UNSET == dev->tuner_type)
return -EINVAL;
f->type = V4L2_TUNER_ANALOG_TV;
f->frequency = dev->freq;
call_all(dev, tuner, g_frequency, f);
return 0;
}
static int vidioc_s_frequency(struct file *file, void *priv,
struct v4l2_frequency *f)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
cx23885_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
CX23885_END_NOW, CX23885_MPEG_CAPTURE,
CX23885_RAW_BITS_NONE);
dprintk(1, "VIDIOC_S_FREQUENCY: dev type %d, f\n",
dev->tuner_type);
dprintk(1, "VIDIOC_S_FREQUENCY: f tuner %d, f type %d\n",
f->tuner, f->type);
if (UNSET == dev->tuner_type)
return -EINVAL;
if (f->tuner != 0)
return -EINVAL;
if (f->type != V4L2_TUNER_ANALOG_TV)
return -EINVAL;
dev->freq = f->frequency;
call_all(dev, tuner, s_frequency, f);
cx23885_initialize_codec(dev);
return 0;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctl)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
/* Update the A/V core */
call_all(dev, core, s_ctrl, ctl);
return 0;
}
static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
struct cx23885_tsport *tsport = &dev->ts1;
strlcpy(cap->driver, dev->name, sizeof(cap->driver));
strlcpy(cap->card, cx23885_boards[tsport->dev->board].name,
sizeof(cap->card));
sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
cap->version = CX23885_VERSION_CODE;
cap->capabilities =
V4L2_CAP_VIDEO_CAPTURE |
V4L2_CAP_READWRITE |
V4L2_CAP_STREAMING |
0;
if (UNSET != dev->tuner_type)
cap->capabilities |= V4L2_CAP_TUNER;
return 0;
}
static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
if (f->index != 0)
return -EINVAL;
strlcpy(f->description, "MPEG", sizeof(f->description));
f->pixelformat = V4L2_PIX_FMT_MPEG;
return 0;
}
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.bytesperline = 0;
f->fmt.pix.sizeimage =
dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
f->fmt.pix.colorspace = 0;
f->fmt.pix.width = dev->ts1.width;
f->fmt.pix.height = dev->ts1.height;
f->fmt.pix.field = fh->mpegq.field;
dprintk(1, "VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
dev->ts1.width, dev->ts1.height, fh->mpegq.field);
return 0;
}
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.bytesperline = 0;
f->fmt.pix.sizeimage =
dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
f->fmt.pix.colorspace = 0;
dprintk(1, "VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
dev->ts1.width, dev->ts1.height, fh->mpegq.field);
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
f->fmt.pix.bytesperline = 0;
f->fmt.pix.sizeimage =
dev->ts1.ts_packet_size * dev->ts1.ts_packet_count;
f->fmt.pix.colorspace = 0;
dprintk(1, "VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
return 0;
}
static int vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *p)
{
struct cx23885_fh *fh = file->private_data;
return videobuf_reqbufs(&fh->mpegq, p);
}
static int vidioc_querybuf(struct file *file, void *priv,
struct v4l2_buffer *p)
{
struct cx23885_fh *fh = file->private_data;
return videobuf_querybuf(&fh->mpegq, p);
}
static int vidioc_qbuf(struct file *file, void *priv,
struct v4l2_buffer *p)
{
struct cx23885_fh *fh = file->private_data;
return videobuf_qbuf(&fh->mpegq, p);
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
{
struct cx23885_fh *fh = priv;
return videobuf_dqbuf(&fh->mpegq, b, file->f_flags & O_NONBLOCK);
}
static int vidioc_streamon(struct file *file, void *priv,
enum v4l2_buf_type i)
{
struct cx23885_fh *fh = file->private_data;
return videobuf_streamon(&fh->mpegq);
}
static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
{
struct cx23885_fh *fh = file->private_data;
return videobuf_streamoff(&fh->mpegq);
}
static int vidioc_g_ext_ctrls(struct file *file, void *priv,
struct v4l2_ext_controls *f)
{
struct cx23885_fh *fh = priv;
struct cx23885_dev *dev = fh->dev;
if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
return -EINVAL;
return cx2341x_ext_ctrls(&dev->mpeg_params, 0, f, VIDIOC_G_EXT_CTRLS);
}
static int vidioc_s_ext_ctrls(struct file *file, void *priv,
struct v4l2_ext_controls *f)
{
struct cx23885_fh *fh = priv;
struct cx23885_dev *dev = fh->dev;
struct cx2341x_mpeg_params p;
int err;
if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
return -EINVAL;
p = dev->mpeg_params;
err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
if (err == 0) {
err = cx2341x_update(dev, cx23885_mbox_func,
&dev->mpeg_params, &p);
dev->mpeg_params = p;
}
return err;
}
static int vidioc_try_ext_ctrls(struct file *file, void *priv,
struct v4l2_ext_controls *f)
{
struct cx23885_fh *fh = priv;
struct cx23885_dev *dev = fh->dev;
struct cx2341x_mpeg_params p;
int err;
if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
return -EINVAL;
p = dev->mpeg_params;
err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
return err;
}
static int vidioc_log_status(struct file *file, void *priv)
{
struct cx23885_fh *fh = priv;
struct cx23885_dev *dev = fh->dev;
char name[32 + 2];
snprintf(name, sizeof(name), "%s/2", dev->name);
printk(KERN_INFO
"%s/2: ============ START LOG STATUS ============\n",
dev->name);
call_all(dev, core, log_status);
cx2341x_log_status(&dev->mpeg_params, name);
printk(KERN_INFO
"%s/2: ============= END LOG STATUS =============\n",
dev->name);
return 0;
}
static int vidioc_querymenu(struct file *file, void *priv,
struct v4l2_querymenu *a)
{
struct cx23885_fh *fh = priv;
struct cx23885_dev *dev = fh->dev;
return cx23885_querymenu(dev, a);
}
static int vidioc_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *c)
{
struct cx23885_fh *fh = priv;
struct cx23885_dev *dev = fh->dev;
return cx23885_queryctrl(dev, c);
}
static int mpeg_open(struct file *file)
{
struct cx23885_dev *dev = video_drvdata(file);
struct cx23885_fh *fh;
dprintk(2, "%s()\n", __func__);
/* allocate + initialize per filehandle data */
fh = kzalloc(sizeof(*fh), GFP_KERNEL);
if (!fh)
return -ENOMEM;
file->private_data = fh;
fh->dev = dev;
videobuf_queue_sg_init(&fh->mpegq, &cx23885_qops,
&dev->pci->dev, &dev->ts1.slock,
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx23885_buffer),
fh, NULL);
return 0;
}
static int mpeg_release(struct file *file)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
dprintk(2, "%s()\n", __func__);
/* FIXME: Review this crap */
/* Shut device down on last close */
if (atomic_cmpxchg(&fh->v4l_reading, 1, 0) == 1) {
if (atomic_dec_return(&dev->v4l_reader_count) == 0) {
/* stop mpeg capture */
cx23885_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
CX23885_END_NOW, CX23885_MPEG_CAPTURE,
CX23885_RAW_BITS_NONE);
msleep(500);
cx23885_417_check_encoder(dev);
cx23885_cancel_buffers(&fh->dev->ts1);
}
}
if (fh->mpegq.streaming)
videobuf_streamoff(&fh->mpegq);
if (fh->mpegq.reading)
videobuf_read_stop(&fh->mpegq);
videobuf_mmap_free(&fh->mpegq);
file->private_data = NULL;
kfree(fh);
return 0;
}
static ssize_t mpeg_read(struct file *file, char __user *data,
size_t count, loff_t *ppos)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
dprintk(2, "%s()\n", __func__);
/* Deal w/ A/V decoder * and mpeg encoder sync issues. */
/* Start mpeg encoder on first read. */
if (atomic_cmpxchg(&fh->v4l_reading, 0, 1) == 0) {
if (atomic_inc_return(&dev->v4l_reader_count) == 1) {
if (cx23885_initialize_codec(dev) < 0)
return -EINVAL;
}
}
return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
file->f_flags & O_NONBLOCK);
}
static unsigned int mpeg_poll(struct file *file,
struct poll_table_struct *wait)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
dprintk(2, "%s\n", __func__);
return videobuf_poll_stream(file, &fh->mpegq, wait);
}
static int mpeg_mmap(struct file *file, struct vm_area_struct *vma)
{
struct cx23885_fh *fh = file->private_data;
struct cx23885_dev *dev = fh->dev;
dprintk(2, "%s()\n", __func__);
return videobuf_mmap_mapper(&fh->mpegq, vma);
}
static struct v4l2_file_operations mpeg_fops = {
.owner = THIS_MODULE,
.open = mpeg_open,
.release = mpeg_release,
.read = mpeg_read,
.poll = mpeg_poll,
.mmap = mpeg_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
.vidioc_s_std = vidioc_s_std,
.vidioc_enum_input = vidioc_enum_input,
.vidioc_g_input = vidioc_g_input,
.vidioc_s_input = vidioc_s_input,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
.vidioc_g_frequency = vidioc_g_frequency,
.vidioc_s_frequency = vidioc_s_frequency,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_querycap = vidioc_querycap,
.vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_reqbufs = vidioc_reqbufs,
.vidioc_querybuf = vidioc_querybuf,
.vidioc_qbuf = vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_g_ext_ctrls = vidioc_g_ext_ctrls,
.vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
.vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
.vidioc_log_status = vidioc_log_status,
.vidioc_querymenu = vidioc_querymenu,
.vidioc_queryctrl = vidioc_queryctrl,
.vidioc_g_chip_ident = cx23885_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx23885_g_register,
.vidioc_s_register = cx23885_s_register,
#endif
};
static struct video_device cx23885_mpeg_template = {
.name = "cx23885",
.fops = &mpeg_fops,
.ioctl_ops = &mpeg_ioctl_ops,
.tvnorms = CX23885_NORMS,
.current_norm = V4L2_STD_NTSC_M,
};
void cx23885_417_unregister(struct cx23885_dev *dev)
{
dprintk(1, "%s()\n", __func__);
if (dev->v4l_device) {
if (video_is_registered(dev->v4l_device))
video_unregister_device(dev->v4l_device);
else
video_device_release(dev->v4l_device);
dev->v4l_device = NULL;
}
}
static struct video_device *cx23885_video_dev_alloc(
struct cx23885_tsport *tsport,
struct pci_dev *pci,
struct video_device *template,
char *type)
{
struct video_device *vfd;
struct cx23885_dev *dev = tsport->dev;
dprintk(1, "%s()\n", __func__);
vfd = video_device_alloc();
if (NULL == vfd)
return NULL;
*vfd = *template;
snprintf(vfd->name, sizeof(vfd->name), "%s %s (%s)", dev->name,
type, cx23885_boards[tsport->dev->board].name);
vfd->parent = &pci->dev;
vfd->release = video_device_release;
return vfd;
}
int cx23885_417_register(struct cx23885_dev *dev)
{
/* FIXME: Port1 hardcoded here */
int err = -ENODEV;
struct cx23885_tsport *tsport = &dev->ts1;
dprintk(1, "%s()\n", __func__);
if (cx23885_boards[dev->board].portb != CX23885_MPEG_ENCODER)
return err;
/* Set default TV standard */
dev->encodernorm = cx23885_tvnorms[0];
if (dev->encodernorm.id & V4L2_STD_525_60)
tsport->height = 480;
else
tsport->height = 576;
tsport->width = 720;
cx2341x_fill_defaults(&dev->mpeg_params);
dev->mpeg_params.port = CX2341X_PORT_SERIAL;
/* Allocate and initialize V4L video device */
dev->v4l_device = cx23885_video_dev_alloc(tsport,
dev->pci, &cx23885_mpeg_template, "mpeg");
video_set_drvdata(dev->v4l_device, dev);
err = video_register_device(dev->v4l_device,
VFL_TYPE_GRABBER, -1);
if (err < 0) {
printk(KERN_INFO "%s: can't register mpeg device\n", dev->name);
return err;
}
printk(KERN_INFO "%s: registered device %s [mpeg]\n",
dev->name, video_device_node_name(dev->v4l_device));
return 0;
}
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