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kernel_samsung_a34x-permissive/drivers/media/pci/ttpci/av7110_hw.c

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Import A346BXXU1AWB9 kernel source Android 13
2024-04-28 06:49:01 -07:00
/*
* av7110_hw.c: av7110 low level hardware access and firmware interface
*
* Copyright (C) 1999-2002 Ralph Metzler
* & Marcus Metzler for convergence integrated media GmbH
*
* originally based on code by:
* Copyright (C) 1998,1999 Christian Theiss <mistert@rz.fh-augsburg.de>
*
* 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.
* To obtain the license, point your browser to
* http://www.gnu.org/copyleft/gpl.html
*
* the project's page is at https://linuxtv.org
*/
/* for debugging ARM communication: */
//#define COM_DEBUG
#include <stdarg.h>
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/delay.h>
#include <linux/fs.h>
#include "av7110.h"
#include "av7110_hw.h"
#define _NOHANDSHAKE
/*
* Max transfer size done by av7110_fw_cmd()
*
* The maximum size passed to this function is 6 bytes. The buffer also
* uses two additional ones for type and size. So, 8 bytes is enough.
*/
#define MAX_XFER_SIZE 8
/****************************************************************************
* DEBI functions
****************************************************************************/
/* This DEBI code is based on the Stradis driver
by Nathan Laredo <laredo@gnu.org> */
int av7110_debiwrite(struct av7110 *av7110, u32 config,
int addr, u32 val, unsigned int count)
{
struct saa7146_dev *dev = av7110->dev;
if (count > 32764) {
printk("%s: invalid count %d\n", __func__, count);
return -1;
}
if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) {
printk("%s: wait_for_debi_done failed\n", __func__);
return -1;
}
saa7146_write(dev, DEBI_CONFIG, config);
if (count <= 4) /* immediate transfer */
saa7146_write(dev, DEBI_AD, val);
else /* block transfer */
saa7146_write(dev, DEBI_AD, av7110->debi_bus);
saa7146_write(dev, DEBI_COMMAND, (count << 17) | (addr & 0xffff));
saa7146_write(dev, MC2, (2 << 16) | 2);
return 0;
}
u32 av7110_debiread(struct av7110 *av7110, u32 config, int addr, unsigned int count)
{
struct saa7146_dev *dev = av7110->dev;
u32 result = 0;
if (count > 32764) {
printk("%s: invalid count %d\n", __func__, count);
return 0;
}
if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) {
printk("%s: wait_for_debi_done #1 failed\n", __func__);
return 0;
}
saa7146_write(dev, DEBI_AD, av7110->debi_bus);
saa7146_write(dev, DEBI_COMMAND, (count << 17) | 0x10000 | (addr & 0xffff));
saa7146_write(dev, DEBI_CONFIG, config);
saa7146_write(dev, MC2, (2 << 16) | 2);
if (count > 4)
return count;
if (saa7146_wait_for_debi_done(av7110->dev, 0) < 0) {
printk("%s: wait_for_debi_done #2 failed\n", __func__);
return 0;
}
result = saa7146_read(dev, DEBI_AD);
result &= (0xffffffffUL >> ((4 - count) * 8));
return result;
}
/* av7110 ARM core boot stuff */
#if 0
void av7110_reset_arm(struct av7110 *av7110)
{
saa7146_setgpio(av7110->dev, RESET_LINE, SAA7146_GPIO_OUTLO);
/* Disable DEBI and GPIO irq */
SAA7146_IER_DISABLE(av7110->dev, MASK_19 | MASK_03);
SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
saa7146_setgpio(av7110->dev, RESET_LINE, SAA7146_GPIO_OUTHI);
msleep(30); /* the firmware needs some time to initialize */
ARM_ResetMailBox(av7110);
SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
SAA7146_IER_ENABLE(av7110->dev, MASK_03);
av7110->arm_ready = 1;
dprintk(1, "reset ARM\n");
}
#endif /* 0 */
static int waitdebi(struct av7110 *av7110, int adr, int state)
{
int k;
dprintk(4, "%p\n", av7110);
for (k = 0; k < 100; k++) {
if (irdebi(av7110, DEBINOSWAP, adr, 0, 2) == state)
return 0;
udelay(5);
}
return -ETIMEDOUT;
}
static int load_dram(struct av7110 *av7110, u32 *data, int len)
{
int i;
int blocks, rest;
u32 base, bootblock = AV7110_BOOT_BLOCK;
dprintk(4, "%p\n", av7110);
blocks = len / AV7110_BOOT_MAX_SIZE;
rest = len % AV7110_BOOT_MAX_SIZE;
base = DRAM_START_CODE;
for (i = 0; i < blocks; i++) {
if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_EMPTY) < 0) {
printk(KERN_ERR "dvb-ttpci: load_dram(): timeout at block %d\n", i);
return -ETIMEDOUT;
}
dprintk(4, "writing DRAM block %d\n", i);
mwdebi(av7110, DEBISWAB, bootblock,
((u8 *)data) + i * AV7110_BOOT_MAX_SIZE, AV7110_BOOT_MAX_SIZE);
bootblock ^= 0x1400;
iwdebi(av7110, DEBISWAB, AV7110_BOOT_BASE, swab32(base), 4);
iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_SIZE, AV7110_BOOT_MAX_SIZE, 2);
iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
base += AV7110_BOOT_MAX_SIZE;
}
if (rest > 0) {
if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_EMPTY) < 0) {
printk(KERN_ERR "dvb-ttpci: load_dram(): timeout at last block\n");
return -ETIMEDOUT;
}
if (rest > 4)
mwdebi(av7110, DEBISWAB, bootblock,
((u8 *)data) + i * AV7110_BOOT_MAX_SIZE, rest);
else
mwdebi(av7110, DEBISWAB, bootblock,
((u8 *)data) + i * AV7110_BOOT_MAX_SIZE - 4, rest + 4);
iwdebi(av7110, DEBISWAB, AV7110_BOOT_BASE, swab32(base), 4);
iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_SIZE, rest, 2);
iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
}
if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_EMPTY) < 0) {
printk(KERN_ERR "dvb-ttpci: load_dram(): timeout after last block\n");
return -ETIMEDOUT;
}
iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_SIZE, 0, 2);
iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
if (waitdebi(av7110, AV7110_BOOT_STATE, BOOTSTATE_AV7110_BOOT_COMPLETE) < 0) {
printk(KERN_ERR "dvb-ttpci: load_dram(): final handshake timeout\n");
return -ETIMEDOUT;
}
return 0;
}
/* we cannot write av7110 DRAM directly, so load a bootloader into
* the DPRAM which implements a simple boot protocol */
int av7110_bootarm(struct av7110 *av7110)
{
const struct firmware *fw;
const char *fw_name = "av7110/bootcode.bin";
struct saa7146_dev *dev = av7110->dev;
u32 ret;
int i;
dprintk(4, "%p\n", av7110);
av7110->arm_ready = 0;
saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTLO);
/* Disable DEBI and GPIO irq */
SAA7146_IER_DISABLE(av7110->dev, MASK_03 | MASK_19);
SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
/* enable DEBI */
saa7146_write(av7110->dev, MC1, 0x08800880);
saa7146_write(av7110->dev, DD1_STREAM_B, 0x00000000);
saa7146_write(av7110->dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
/* test DEBI */
iwdebi(av7110, DEBISWAP, DPRAM_BASE, 0x76543210, 4);
/* FIXME: Why does Nexus CA require 2x iwdebi for first init? */
iwdebi(av7110, DEBISWAP, DPRAM_BASE, 0x76543210, 4);
if ((ret=irdebi(av7110, DEBINOSWAP, DPRAM_BASE, 0, 4)) != 0x10325476) {
printk(KERN_ERR "dvb-ttpci: debi test in av7110_bootarm() failed: %08x != %08x (check your BIOS 'Plug&Play OS' settings)\n",
ret, 0x10325476);
return -1;
}
for (i = 0; i < 8192; i += 4)
iwdebi(av7110, DEBISWAP, DPRAM_BASE + i, 0x00, 4);
dprintk(2, "debi test OK\n");
/* boot */
dprintk(1, "load boot code\n");
saa7146_setgpio(dev, ARM_IRQ_LINE, SAA7146_GPIO_IRQLO);
//saa7146_setgpio(dev, DEBI_DONE_LINE, SAA7146_GPIO_INPUT);
//saa7146_setgpio(dev, 3, SAA7146_GPIO_INPUT);
ret = request_firmware(&fw, fw_name, &dev->pci->dev);
if (ret) {
printk(KERN_ERR "dvb-ttpci: Failed to load firmware \"%s\"\n",
fw_name);
return ret;
}
mwdebi(av7110, DEBISWAB, DPRAM_BASE, fw->data, fw->size);
release_firmware(fw);
iwdebi(av7110, DEBINOSWAP, AV7110_BOOT_STATE, BOOTSTATE_BUFFER_FULL, 2);
if (saa7146_wait_for_debi_done(av7110->dev, 1)) {
printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): saa7146_wait_for_debi_done() timed out\n");
return -ETIMEDOUT;
}
saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTHI);
mdelay(1);
dprintk(1, "load dram code\n");
if (load_dram(av7110, (u32 *)av7110->bin_root, av7110->size_root) < 0) {
printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): load_dram() failed\n");
return -1;
}
saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTLO);
mdelay(1);
dprintk(1, "load dpram code\n");
mwdebi(av7110, DEBISWAB, DPRAM_BASE, av7110->bin_dpram, av7110->size_dpram);
if (saa7146_wait_for_debi_done(av7110->dev, 1)) {
printk(KERN_ERR "dvb-ttpci: av7110_bootarm(): saa7146_wait_for_debi_done() timed out after loading DRAM\n");
return -ETIMEDOUT;
}
saa7146_setgpio(dev, RESET_LINE, SAA7146_GPIO_OUTHI);
msleep(30); /* the firmware needs some time to initialize */
//ARM_ClearIrq(av7110);
ARM_ResetMailBox(av7110);
SAA7146_ISR_CLEAR(av7110->dev, MASK_19 | MASK_03);
SAA7146_IER_ENABLE(av7110->dev, MASK_03);
av7110->arm_errors = 0;
av7110->arm_ready = 1;
return 0;
}
MODULE_FIRMWARE("av7110/bootcode.bin");
/****************************************************************************
* DEBI command polling
****************************************************************************/
int av7110_wait_msgstate(struct av7110 *av7110, u16 flags)
{
unsigned long start;
u32 stat;
int err;
if (FW_VERSION(av7110->arm_app) <= 0x261c) {
/* not supported by old firmware */
msleep(50);
return 0;
}
/* new firmware */
start = jiffies;
for (;;) {
err = time_after(jiffies, start + ARM_WAIT_FREE);
if (mutex_lock_interruptible(&av7110->dcomlock))
return -ERESTARTSYS;
stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
mutex_unlock(&av7110->dcomlock);
if ((stat & flags) == 0)
break;
if (err) {
printk(KERN_ERR "%s: timeout waiting for MSGSTATE %04x\n",
__func__, stat & flags);
return -ETIMEDOUT;
}
msleep(1);
}
return 0;
}
static int __av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
{
int i;
unsigned long start;
char *type = NULL;
u16 flags[2] = {0, 0};
u32 stat;
int err;
// dprintk(4, "%p\n", av7110);
if (!av7110->arm_ready) {
dprintk(1, "arm not ready.\n");
return -ENXIO;
}
start = jiffies;
while (1) {
err = time_after(jiffies, start + ARM_WAIT_FREE);
if (rdebi(av7110, DEBINOSWAP, COMMAND, 0, 2) == 0)
break;
if (err) {
printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for COMMAND idle\n", __func__);
av7110->arm_errors++;
return -ETIMEDOUT;
}
msleep(1);
}
if (FW_VERSION(av7110->arm_app) <= 0x261f)
wdebi(av7110, DEBINOSWAP, COM_IF_LOCK, 0xffff, 2);
#ifndef _NOHANDSHAKE
start = jiffies;
while (1) {
err = time_after(jiffies, start + ARM_WAIT_SHAKE);
if (rdebi(av7110, DEBINOSWAP, HANDSHAKE_REG, 0, 2) == 0)
break;
if (err) {
printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for HANDSHAKE_REG\n", __func__);
return -ETIMEDOUT;
}
msleep(1);
}
#endif
switch ((buf[0] >> 8) & 0xff) {
case COMTYPE_PIDFILTER:
case COMTYPE_ENCODER:
case COMTYPE_REC_PLAY:
case COMTYPE_MPEGDECODER:
type = "MSG";
flags[0] = GPMQOver;
flags[1] = GPMQFull;
break;
case COMTYPE_OSD:
type = "OSD";
flags[0] = OSDQOver;
flags[1] = OSDQFull;
break;
case COMTYPE_MISC:
if (FW_VERSION(av7110->arm_app) >= 0x261d) {
type = "MSG";
flags[0] = GPMQOver;
flags[1] = GPMQBusy;
}
break;
default:
break;
}
if (type != NULL) {
/* non-immediate COMMAND type */
start = jiffies;
for (;;) {
err = time_after(jiffies, start + ARM_WAIT_FREE);
stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
if (stat & flags[0]) {
printk(KERN_ERR "%s: %s QUEUE overflow\n",
__func__, type);
return -1;
}
if ((stat & flags[1]) == 0)
break;
if (err) {
printk(KERN_ERR "%s: timeout waiting on busy %s QUEUE\n",
__func__, type);
av7110->arm_errors++;
return -ETIMEDOUT;
}
msleep(1);
}
}
for (i = 2; i < length; i++)
wdebi(av7110, DEBINOSWAP, COMMAND + 2 * i, (u32) buf[i], 2);
if (length)
wdebi(av7110, DEBINOSWAP, COMMAND + 2, (u32) buf[1], 2);
else
wdebi(av7110, DEBINOSWAP, COMMAND + 2, 0, 2);
wdebi(av7110, DEBINOSWAP, COMMAND, (u32) buf[0], 2);
if (FW_VERSION(av7110->arm_app) <= 0x261f)
wdebi(av7110, DEBINOSWAP, COM_IF_LOCK, 0x0000, 2);
#ifdef COM_DEBUG
start = jiffies;
while (1) {
err = time_after(jiffies, start + ARM_WAIT_FREE);
if (rdebi(av7110, DEBINOSWAP, COMMAND, 0, 2) == 0)
break;
if (err) {
printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for COMMAND %d to complete\n",
__func__, (buf[0] >> 8) & 0xff);
return -ETIMEDOUT;
}
msleep(1);
}
stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
if (stat & GPMQOver) {
printk(KERN_ERR "dvb-ttpci: %s(): GPMQOver\n", __func__);
return -ENOSPC;
}
else if (stat & OSDQOver) {
printk(KERN_ERR "dvb-ttpci: %s(): OSDQOver\n", __func__);
return -ENOSPC;
}
#endif
return 0;
}
static int av7110_send_fw_cmd(struct av7110 *av7110, u16* buf, int length)
{
int ret;
// dprintk(4, "%p\n", av7110);
if (!av7110->arm_ready) {
dprintk(1, "arm not ready.\n");
return -1;
}
if (mutex_lock_interruptible(&av7110->dcomlock))
return -ERESTARTSYS;
ret = __av7110_send_fw_cmd(av7110, buf, length);
mutex_unlock(&av7110->dcomlock);
if (ret && ret!=-ERESTARTSYS)
printk(KERN_ERR "dvb-ttpci: %s(): av7110_send_fw_cmd error %d\n",
__func__, ret);
return ret;
}
int av7110_fw_cmd(struct av7110 *av7110, int type, int com, int num, ...)
{
va_list args;
u16 buf[MAX_XFER_SIZE];
int i, ret;
// dprintk(4, "%p\n", av7110);
if (2 + num > ARRAY_SIZE(buf)) {
printk(KERN_WARNING
"%s: %s len=%d is too big!\n",
KBUILD_MODNAME, __func__, num);
return -EINVAL;
}
buf[0] = ((type << 8) | com);
buf[1] = num;
if (num) {
va_start(args, num);
for (i = 0; i < num; i++)
buf[i + 2] = va_arg(args, u32);
va_end(args);
}
ret = av7110_send_fw_cmd(av7110, buf, num + 2);
if (ret && ret != -ERESTARTSYS)
printk(KERN_ERR "dvb-ttpci: av7110_fw_cmd error %d\n", ret);
return ret;
}
#if 0
int av7110_send_ci_cmd(struct av7110 *av7110, u8 subcom, u8 *buf, u8 len)
{
int i, ret;
u16 cmd[18] = { ((COMTYPE_COMMON_IF << 8) + subcom),
16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
dprintk(4, "%p\n", av7110);
for(i = 0; i < len && i < 32; i++)
{
if(i % 2 == 0)
cmd[(i / 2) + 2] = (u16)(buf[i]) << 8;
else
cmd[(i / 2) + 2] |= buf[i];
}
ret = av7110_send_fw_cmd(av7110, cmd, 18);
if (ret && ret != -ERESTARTSYS)
printk(KERN_ERR "dvb-ttpci: av7110_send_ci_cmd error %d\n", ret);
return ret;
}
#endif /* 0 */
int av7110_fw_request(struct av7110 *av7110, u16 *request_buf,
int request_buf_len, u16 *reply_buf, int reply_buf_len)
{
int err;
s16 i;
unsigned long start;
#ifdef COM_DEBUG
u32 stat;
#endif
dprintk(4, "%p\n", av7110);
if (!av7110->arm_ready) {
dprintk(1, "arm not ready.\n");
return -1;
}
if (mutex_lock_interruptible(&av7110->dcomlock))
return -ERESTARTSYS;
if ((err = __av7110_send_fw_cmd(av7110, request_buf, request_buf_len)) < 0) {
mutex_unlock(&av7110->dcomlock);
printk(KERN_ERR "dvb-ttpci: av7110_fw_request error %d\n", err);
return err;
}
start = jiffies;
while (1) {
err = time_after(jiffies, start + ARM_WAIT_FREE);
if (rdebi(av7110, DEBINOSWAP, COMMAND, 0, 2) == 0)
break;
if (err) {
printk(KERN_ERR "%s: timeout waiting for COMMAND to complete\n", __func__);
mutex_unlock(&av7110->dcomlock);
return -ETIMEDOUT;
}
#ifdef _NOHANDSHAKE
msleep(1);
#endif
}
#ifndef _NOHANDSHAKE
start = jiffies;
while (1) {
err = time_after(jiffies, start + ARM_WAIT_SHAKE);
if (rdebi(av7110, DEBINOSWAP, HANDSHAKE_REG, 0, 2) == 0)
break;
if (err) {
printk(KERN_ERR "%s: timeout waiting for HANDSHAKE_REG\n", __func__);
mutex_unlock(&av7110->dcomlock);
return -ETIMEDOUT;
}
msleep(1);
}
#endif
#ifdef COM_DEBUG
stat = rdebi(av7110, DEBINOSWAP, MSGSTATE, 0, 2);
if (stat & GPMQOver) {
printk(KERN_ERR "%s: GPMQOver\n", __func__);
mutex_unlock(&av7110->dcomlock);
return -1;
}
else if (stat & OSDQOver) {
printk(KERN_ERR "%s: OSDQOver\n", __func__);
mutex_unlock(&av7110->dcomlock);
return -1;
}
#endif
for (i = 0; i < reply_buf_len; i++)
reply_buf[i] = rdebi(av7110, DEBINOSWAP, COM_BUFF + 2 * i, 0, 2);
mutex_unlock(&av7110->dcomlock);
return 0;
}
static int av7110_fw_query(struct av7110 *av7110, u16 tag, u16* buf, s16 length)
{
int ret;
ret = av7110_fw_request(av7110, &tag, 0, buf, length);
if (ret)
printk(KERN_ERR "dvb-ttpci: av7110_fw_query error %d\n", ret);
return ret;
}
/****************************************************************************
* Firmware commands
****************************************************************************/
/* get version of the firmware ROM, RTSL, video ucode and ARM application */
int av7110_firmversion(struct av7110 *av7110)
{
u16 buf[20];
u16 tag = ((COMTYPE_REQUEST << 8) + ReqVersion);
dprintk(4, "%p\n", av7110);
if (av7110_fw_query(av7110, tag, buf, 16)) {
printk("dvb-ttpci: failed to boot firmware @ card %d\n",
av7110->dvb_adapter.num);
return -EIO;
}
av7110->arm_fw = (buf[0] << 16) + buf[1];
av7110->arm_rtsl = (buf[2] << 16) + buf[3];
av7110->arm_vid = (buf[4] << 16) + buf[5];
av7110->arm_app = (buf[6] << 16) + buf[7];
av7110->avtype = (buf[8] << 16) + buf[9];
printk("dvb-ttpci: info @ card %d: firm %08x, rtsl %08x, vid %08x, app %08x\n",
av7110->dvb_adapter.num, av7110->arm_fw,
av7110->arm_rtsl, av7110->arm_vid, av7110->arm_app);
/* print firmware capabilities */
if (FW_CI_LL_SUPPORT(av7110->arm_app))
printk("dvb-ttpci: firmware @ card %d supports CI link layer interface\n",
av7110->dvb_adapter.num);
else
printk("dvb-ttpci: no firmware support for CI link layer interface @ card %d\n",
av7110->dvb_adapter.num);
return 0;
}
int av7110_diseqc_send(struct av7110 *av7110, int len, u8 *msg, unsigned long burst)
{
int i, ret;
u16 buf[18] = { ((COMTYPE_AUDIODAC << 8) + SendDiSEqC),
16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
dprintk(4, "%p\n", av7110);
if (len > 10)
len = 10;
buf[1] = len + 2;
buf[2] = len;
if (burst != -1)
buf[3] = burst ? 0x01 : 0x00;
else
buf[3] = 0xffff;
for (i = 0; i < len; i++)
buf[i + 4] = msg[i];
ret = av7110_send_fw_cmd(av7110, buf, 18);
if (ret && ret!=-ERESTARTSYS)
printk(KERN_ERR "dvb-ttpci: av7110_diseqc_send error %d\n", ret);
return ret;
}
#ifdef CONFIG_DVB_AV7110_OSD
static inline int SetColorBlend(struct av7110 *av7110, u8 windownr)
{
return av7110_fw_cmd(av7110, COMTYPE_OSD, SetCBlend, 1, windownr);
}
static inline int SetBlend_(struct av7110 *av7110, u8 windownr,
enum av7110_osd_palette_type colordepth, u16 index, u8 blending)
{
return av7110_fw_cmd(av7110, COMTYPE_OSD, SetBlend, 4,
windownr, colordepth, index, blending);
}
static inline int SetColor_(struct av7110 *av7110, u8 windownr,
enum av7110_osd_palette_type colordepth, u16 index, u16 colorhi, u16 colorlo)
{
return av7110_fw_cmd(av7110, COMTYPE_OSD, SetColor, 5,
windownr, colordepth, index, colorhi, colorlo);
}
static inline int SetFont(struct av7110 *av7110, u8 windownr, u8 fontsize,
u16 colorfg, u16 colorbg)
{
return av7110_fw_cmd(av7110, COMTYPE_OSD, Set_Font, 4,
windownr, fontsize, colorfg, colorbg);
}
static int FlushText(struct av7110 *av7110)
{
unsigned long start;
int err;
if (mutex_lock_interruptible(&av7110->dcomlock))
return -ERESTARTSYS;
start = jiffies;
while (1) {
err = time_after(jiffies, start + ARM_WAIT_OSD);
if (rdebi(av7110, DEBINOSWAP, BUFF1_BASE, 0, 2) == 0)
break;
if (err) {
printk(KERN_ERR "dvb-ttpci: %s(): timeout waiting for BUFF1_BASE == 0\n",
__func__);
mutex_unlock(&av7110->dcomlock);
return -ETIMEDOUT;
}
msleep(1);
}
mutex_unlock(&av7110->dcomlock);
return 0;
}
static int WriteText(struct av7110 *av7110, u8 win, u16 x, u16 y, char *buf)
{
int i, ret;
unsigned long start;
int length = strlen(buf) + 1;
u16 cbuf[5] = { (COMTYPE_OSD << 8) + DText, 3, win, x, y };
if (mutex_lock_interruptible(&av7110->dcomlock))
return -ERESTARTSYS;
start = jiffies;
while (1) {
ret = time_after(jiffies, start + ARM_WAIT_OSD);
if (rdebi(av7110, DEBINOSWAP, BUFF1_BASE, 0, 2) == 0)
break;
if (ret) {
printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for BUFF1_BASE == 0\n",
__func__);
mutex_unlock(&av7110->dcomlock);
return -ETIMEDOUT;
}
msleep(1);
}
#ifndef _NOHANDSHAKE
start = jiffies;
while (1) {
ret = time_after(jiffies, start + ARM_WAIT_SHAKE);
if (rdebi(av7110, DEBINOSWAP, HANDSHAKE_REG, 0, 2) == 0)
break;
if (ret) {
printk(KERN_ERR "dvb-ttpci: %s: timeout waiting for HANDSHAKE_REG\n",
__func__);
mutex_unlock(&av7110->dcomlock);
return -ETIMEDOUT;
}
msleep(1);
}
#endif
for (i = 0; i < length / 2; i++)
wdebi(av7110, DEBINOSWAP, BUFF1_BASE + i * 2,
swab16(*(u16 *)(buf + 2 * i)), 2);
if (length & 1)
wdebi(av7110, DEBINOSWAP, BUFF1_BASE + i * 2, 0, 2);
ret = __av7110_send_fw_cmd(av7110, cbuf, 5);
mutex_unlock(&av7110->dcomlock);
if (ret && ret!=-ERESTARTSYS)
printk(KERN_ERR "dvb-ttpci: WriteText error %d\n", ret);
return ret;
}
static inline int DrawLine(struct av7110 *av7110, u8 windownr,
u16 x, u16 y, u16 dx, u16 dy, u16 color)
{
return av7110_fw_cmd(av7110, COMTYPE_OSD, DLine, 6,
windownr, x, y, dx, dy, color);
}
static inline int DrawBlock(struct av7110 *av7110, u8 windownr,
u16 x, u16 y, u16 dx, u16 dy, u16 color)
{
return av7110_fw_cmd(av7110, COMTYPE_OSD, DBox, 6,
windownr, x, y, dx, dy, color);
}
static inline int HideWindow(struct av7110 *av7110, u8 windownr)
{
return av7110_fw_cmd(av7110, COMTYPE_OSD, WHide, 1, windownr);
}
static inline int MoveWindowRel(struct av7110 *av7110, u8 windownr, u16 x, u16 y)
{
return av7110_fw_cmd(av7110, COMTYPE_OSD, WMoveD, 3, windownr, x, y);
}
static inline int MoveWindowAbs(struct av7110 *av7110, u8 windownr, u16 x, u16 y)
{
return av7110_fw_cmd(av7110, COMTYPE_OSD, WMoveA, 3, windownr, x, y);
}
static inline int DestroyOSDWindow(struct av7110 *av7110, u8 windownr)
{
return av7110_fw_cmd(av7110, COMTYPE_OSD, WDestroy, 1, windownr);
}
static inline int CreateOSDWindow(struct av7110 *av7110, u8 windownr,
osd_raw_window_t disptype,
u16 width, u16 height)
{
return av7110_fw_cmd(av7110, COMTYPE_OSD, WCreate, 4,
windownr, disptype, width, height);
}
static enum av7110_osd_palette_type bpp2pal[8] = {
Pal1Bit, Pal2Bit, 0, Pal4Bit, 0, 0, 0, Pal8Bit
};
static osd_raw_window_t bpp2bit[8] = {
OSD_BITMAP1, OSD_BITMAP2, 0, OSD_BITMAP4, 0, 0, 0, OSD_BITMAP8
};
static inline int WaitUntilBmpLoaded(struct av7110 *av7110)
{
int ret = wait_event_timeout(av7110->bmpq,
av7110->bmp_state != BMP_LOADING, 10*HZ);
if (ret == 0) {
printk("dvb-ttpci: warning: timeout waiting in LoadBitmap: %d, %d\n",
ret, av7110->bmp_state);
av7110->bmp_state = BMP_NONE;
return -ETIMEDOUT;
}
return 0;
}
static inline int LoadBitmap(struct av7110 *av7110,
u16 dx, u16 dy, int inc, u8 __user * data)
{
u16 format;
int bpp;
int i;
int d, delta;
u8 c;
int ret;
dprintk(4, "%p\n", av7110);
format = bpp2bit[av7110->osdbpp[av7110->osdwin]];
av7110->bmp_state = BMP_LOADING;
if (format == OSD_BITMAP8) {
bpp=8; delta = 1;
} else if (format == OSD_BITMAP4) {
bpp=4; delta = 2;
} else if (format == OSD_BITMAP2) {
bpp=2; delta = 4;
} else if (format == OSD_BITMAP1) {
bpp=1; delta = 8;
} else {
av7110->bmp_state = BMP_NONE;
return -EINVAL;
}
av7110->bmplen = ((dx * dy * bpp + 7) & ~7) / 8;
av7110->bmpp = 0;
if (av7110->bmplen > 32768) {
av7110->bmp_state = BMP_NONE;
return -EINVAL;
}
for (i = 0; i < dy; i++) {
if (copy_from_user(av7110->bmpbuf + 1024 + i * dx, data + i * inc, dx)) {
av7110->bmp_state = BMP_NONE;
return -EINVAL;
}
}
if (format != OSD_BITMAP8) {
for (i = 0; i < dx * dy / delta; i++) {
c = ((u8 *)av7110->bmpbuf)[1024 + i * delta + delta - 1];
for (d = delta - 2; d >= 0; d--) {
c |= (((u8 *)av7110->bmpbuf)[1024 + i * delta + d]
<< ((delta - d - 1) * bpp));
((u8 *)av7110->bmpbuf)[1024 + i] = c;
}
}
}
av7110->bmplen += 1024;
dprintk(4, "av7110_fw_cmd: LoadBmp size %d\n", av7110->bmplen);
ret = av7110_fw_cmd(av7110, COMTYPE_OSD, LoadBmp, 3, format, dx, dy);
if (!ret)
ret = WaitUntilBmpLoaded(av7110);
return ret;
}
static int BlitBitmap(struct av7110 *av7110, u16 x, u16 y)
{
dprintk(4, "%p\n", av7110);
return av7110_fw_cmd(av7110, COMTYPE_OSD, BlitBmp, 4, av7110->osdwin, x, y, 0);
}
static inline int ReleaseBitmap(struct av7110 *av7110)
{
dprintk(4, "%p\n", av7110);
if (av7110->bmp_state != BMP_LOADED && FW_VERSION(av7110->arm_app) < 0x261e)
return -1;
if (av7110->bmp_state == BMP_LOADING)
dprintk(1,"ReleaseBitmap called while BMP_LOADING\n");
av7110->bmp_state = BMP_NONE;
return av7110_fw_cmd(av7110, COMTYPE_OSD, ReleaseBmp, 0);
}
static u32 RGB2YUV(u16 R, u16 G, u16 B)
{
u16 y, u, v;
u16 Y, Cr, Cb;
y = R * 77 + G * 150 + B * 29; /* Luma=0.299R+0.587G+0.114B 0..65535 */
u = 2048 + B * 8 -(y >> 5); /* Cr 0..4095 */
v = 2048 + R * 8 -(y >> 5); /* Cb 0..4095 */
Y = y / 256;
Cb = u / 16;
Cr = v / 16;
return Cr | (Cb << 16) | (Y << 8);
}
static int OSDSetColor(struct av7110 *av7110, u8 color, u8 r, u8 g, u8 b, u8 blend)
{
int ret;
u16 ch, cl;
u32 yuv;
yuv = blend ? RGB2YUV(r,g,b) : 0;
cl = (yuv & 0xffff);
ch = ((yuv >> 16) & 0xffff);
ret = SetColor_(av7110, av7110->osdwin, bpp2pal[av7110->osdbpp[av7110->osdwin]],
color, ch, cl);
if (!ret)
ret = SetBlend_(av7110, av7110->osdwin, bpp2pal[av7110->osdbpp[av7110->osdwin]],
color, ((blend >> 4) & 0x0f));
return ret;
}
static int OSDSetPalette(struct av7110 *av7110, u32 __user * colors, u8 first, u8 last)
{
int i;
int length = last - first + 1;
if (length * 4 > DATA_BUFF3_SIZE)
return -EINVAL;
for (i = 0; i < length; i++) {
u32 color, blend, yuv;
if (get_user(color, colors + i))
return -EFAULT;
blend = (color & 0xF0000000) >> 4;
yuv = blend ? RGB2YUV(color & 0xFF, (color >> 8) & 0xFF,
(color >> 16) & 0xFF) | blend : 0;
yuv = ((yuv & 0xFFFF0000) >> 16) | ((yuv & 0x0000FFFF) << 16);
wdebi(av7110, DEBINOSWAP, DATA_BUFF3_BASE + i * 4, yuv, 4);
}
return av7110_fw_cmd(av7110, COMTYPE_OSD, Set_Palette, 4,
av7110->osdwin,
bpp2pal[av7110->osdbpp[av7110->osdwin]],
first, last);
}
static int OSDSetBlock(struct av7110 *av7110, int x0, int y0,
int x1, int y1, int inc, u8 __user * data)
{
uint w, h, bpp, bpl, size, lpb, bnum, brest;
int i;
int rc,release_rc;
w = x1 - x0 + 1;
h = y1 - y0 + 1;
if (inc <= 0)
inc = w;
if (w <= 0 || w > 720 || h <= 0 || h > 576)
return -EINVAL;
bpp = av7110->osdbpp[av7110->osdwin] + 1;
bpl = ((w * bpp + 7) & ~7) / 8;
size = h * bpl;
lpb = (32 * 1024) / bpl;
bnum = size / (lpb * bpl);
brest = size - bnum * lpb * bpl;
if (av7110->bmp_state == BMP_LOADING) {
/* possible if syscall is repeated by -ERESTARTSYS and if firmware cannot abort */
BUG_ON (FW_VERSION(av7110->arm_app) >= 0x261e);
rc = WaitUntilBmpLoaded(av7110);
if (rc)
return rc;
/* just continue. This should work for all fw versions
* if bnum==1 && !brest && LoadBitmap was successful
*/
}
rc = 0;
for (i = 0; i < bnum; i++) {
rc = LoadBitmap(av7110, w, lpb, inc, data);
if (rc)
break;
rc = BlitBitmap(av7110, x0, y0 + i * lpb);
if (rc)
break;
data += lpb * inc;
}
if (!rc && brest) {
rc = LoadBitmap(av7110, w, brest / bpl, inc, data);
if (!rc)
rc = BlitBitmap(av7110, x0, y0 + bnum * lpb);
}
release_rc = ReleaseBitmap(av7110);
if (!rc)
rc = release_rc;
if (rc)
dprintk(1,"returns %d\n",rc);
return rc;
}
int av7110_osd_cmd(struct av7110 *av7110, osd_cmd_t *dc)
{
int ret;
if (mutex_lock_interruptible(&av7110->osd_mutex))
return -ERESTARTSYS;
switch (dc->cmd) {
case OSD_Close:
ret = DestroyOSDWindow(av7110, av7110->osdwin);
break;
case OSD_Open:
av7110->osdbpp[av7110->osdwin] = (dc->color - 1) & 7;
ret = CreateOSDWindow(av7110, av7110->osdwin,
bpp2bit[av7110->osdbpp[av7110->osdwin]],
dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1);
if (ret)
break;
if (!dc->data) {
ret = MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
if (ret)
break;
ret = SetColorBlend(av7110, av7110->osdwin);
}
break;
case OSD_Show:
ret = MoveWindowRel(av7110, av7110->osdwin, 0, 0);
break;
case OSD_Hide:
ret = HideWindow(av7110, av7110->osdwin);
break;
case OSD_Clear:
ret = DrawBlock(av7110, av7110->osdwin, 0, 0, 720, 576, 0);
break;
case OSD_Fill:
ret = DrawBlock(av7110, av7110->osdwin, 0, 0, 720, 576, dc->color);
break;
case OSD_SetColor:
ret = OSDSetColor(av7110, dc->color, dc->x0, dc->y0, dc->x1, dc->y1);
break;
case OSD_SetPalette:
if (FW_VERSION(av7110->arm_app) >= 0x2618)
ret = OSDSetPalette(av7110, dc->data, dc->color, dc->x0);
else {
int i, len = dc->x0-dc->color+1;
u8 __user *colors = (u8 __user *)dc->data;
u8 r, g = 0, b = 0, blend = 0;
ret = 0;
for (i = 0; i<len; i++) {
if (get_user(r, colors + i * 4) ||
get_user(g, colors + i * 4 + 1) ||
get_user(b, colors + i * 4 + 2) ||
get_user(blend, colors + i * 4 + 3)) {
ret = -EFAULT;
break;
}
ret = OSDSetColor(av7110, dc->color + i, r, g, b, blend);
if (ret)
break;
}
}
break;
case OSD_SetPixel:
ret = DrawLine(av7110, av7110->osdwin,
dc->x0, dc->y0, 0, 0, dc->color);
break;
case OSD_SetRow:
dc->y1 = dc->y0;
/* fall through */
case OSD_SetBlock:
ret = OSDSetBlock(av7110, dc->x0, dc->y0, dc->x1, dc->y1, dc->color, dc->data);
break;
case OSD_FillRow:
ret = DrawBlock(av7110, av7110->osdwin, dc->x0, dc->y0,
dc->x1-dc->x0+1, dc->y1, dc->color);
break;
case OSD_FillBlock:
ret = DrawBlock(av7110, av7110->osdwin, dc->x0, dc->y0,
dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1, dc->color);
break;
case OSD_Line:
ret = DrawLine(av7110, av7110->osdwin,
dc->x0, dc->y0, dc->x1 - dc->x0, dc->y1 - dc->y0, dc->color);
break;
case OSD_Text:
{
char textbuf[240];
if (strncpy_from_user(textbuf, dc->data, 240) < 0) {
ret = -EFAULT;
break;
}
textbuf[239] = 0;
if (dc->x1 > 3)
dc->x1 = 3;
ret = SetFont(av7110, av7110->osdwin, dc->x1,
(u16) (dc->color & 0xffff), (u16) (dc->color >> 16));
if (!ret)
ret = FlushText(av7110);
if (!ret)
ret = WriteText(av7110, av7110->osdwin, dc->x0, dc->y0, textbuf);
break;
}
case OSD_SetWindow:
if (dc->x0 < 1 || dc->x0 > 7)
ret = -EINVAL;
else {
av7110->osdwin = dc->x0;
ret = 0;
}
break;
case OSD_MoveWindow:
ret = MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
if (!ret)
ret = SetColorBlend(av7110, av7110->osdwin);
break;
case OSD_OpenRaw:
if (dc->color < OSD_BITMAP1 || dc->color > OSD_CURSOR) {
ret = -EINVAL;
break;
}
if (dc->color >= OSD_BITMAP1 && dc->color <= OSD_BITMAP8HR)
av7110->osdbpp[av7110->osdwin] = (1 << (dc->color & 3)) - 1;
else
av7110->osdbpp[av7110->osdwin] = 0;
ret = CreateOSDWindow(av7110, av7110->osdwin, (osd_raw_window_t)dc->color,
dc->x1 - dc->x0 + 1, dc->y1 - dc->y0 + 1);
if (ret)
break;
if (!dc->data) {
ret = MoveWindowAbs(av7110, av7110->osdwin, dc->x0, dc->y0);
if (!ret)
ret = SetColorBlend(av7110, av7110->osdwin);
}
break;
default:
ret = -EINVAL;
break;
}
mutex_unlock(&av7110->osd_mutex);
if (ret==-ERESTARTSYS)
dprintk(1, "av7110_osd_cmd(%d) returns with -ERESTARTSYS\n",dc->cmd);
else if (ret)
dprintk(1, "av7110_osd_cmd(%d) returns with %d\n",dc->cmd,ret);
return ret;
}
int av7110_osd_capability(struct av7110 *av7110, osd_cap_t *cap)
{
switch (cap->cmd) {
case OSD_CAP_MEMSIZE:
if (FW_4M_SDRAM(av7110->arm_app))
cap->val = 1000000;
else
cap->val = 92000;
return 0;
default:
return -EINVAL;
}
}
#endif /* CONFIG_DVB_AV7110_OSD */
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