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V4L/DVB (5169): Pvrusb2: Use macro names for FX2 commands

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This is a maintainability cleanup; use nice names for all the FX2
commands instead of raw bytes.  This way we can easily find where we
issue FX commands.

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mike Isely <isely@pobox.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Michael Krufky 2007-01-22 02:17:55 -03:00 committed by Mauro Carvalho Chehab
parent 05ad390724
commit 8d3643637e
5 changed files with 47 additions and 15 deletions
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6
drivers/media/video/pvrusb2/pvrusb2-encoder.c
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@ -26,6 +26,7 @@
#include "pvrusb2-encoder.h"
#include "pvrusb2-hdw-internal.h"
#include "pvrusb2-debug.h"
#include "pvrusb2-fx2-cmd.h"
@ -57,7 +58,7 @@ static int pvr2_encoder_write_words(struct pvr2_hdw *hdw,
chunkCnt = 8;
if (chunkCnt > dlen) chunkCnt = dlen;
memset(hdw->cmd_buffer,0,sizeof(hdw->cmd_buffer));
hdw->cmd_buffer[0] = 0x01;
hdw->cmd_buffer[0] = FX2CMD_MEM_WRITE_DWORD;
for (idx = 0; idx < chunkCnt; idx++) {
hdw->cmd_buffer[1+(idx*7)+6] = 0x44 + idx + offs;
PVR2_DECOMPOSE_LE(hdw->cmd_buffer, 1+(idx*7),
@ -98,7 +99,8 @@ static int pvr2_encoder_read_words(struct pvr2_hdw *hdw,int statusFl,
chunkCnt = 16;
if (chunkCnt > dlen) chunkCnt = dlen;
memset(hdw->cmd_buffer,0,sizeof(hdw->cmd_buffer));
hdw->cmd_buffer[0] = statusFl ? 0x02 : 0x28;
hdw->cmd_buffer[0] =
(statusFl ? FX2CMD_MEM_READ_DWORD : FX2CMD_MEM_READ_64BYTES);
hdw->cmd_buffer[7] = 0x44 + offs;
ret = pvr2_send_request(hdw,
hdw->cmd_buffer,8,

28
drivers/media/video/pvrusb2/pvrusb2-fx2-cmd.h Normal file
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@ -0,0 +1,28 @@
#ifndef _PVRUSB2_FX2_CMD_H_
#define _PVRUSB2_FX2_CMD_H_
#define FX2CMD_MEM_WRITE_DWORD 0x01
#define FX2CMD_MEM_READ_DWORD 0x02
#define FX2CMD_MEM_READ_64BYTES 0x28
#define FX2CMD_REG_WRITE 0x04
#define FX2CMD_REG_READ 0x05
#define FX2CMD_I2C_WRITE 0x08
#define FX2CMD_I2C_READ 0x09
#define FX2CMD_GET_USB_SPEED 0x0b
#define FX2CMD_STREAMING_ON 0x36
#define FX2CMD_STREAMING_OFF 0x37
#define FX2CMD_POWER_OFF 0xdc
#define FX2CMD_POWER_ON 0xde
#define FX2CMD_DEEP_RESET 0xdd
#define FX2CMD_GET_EEPROM_ADDR 0xeb
#define FX2CMD_GET_IR_CODE 0xec
#endif /* _PVRUSB2_FX2_CMD_H_ */

18
drivers/media/video/pvrusb2/pvrusb2-hdw.c
View File

@ -36,6 +36,7 @@
#include "pvrusb2-hdw-internal.h"
#include "pvrusb2-encoder.h"
#include "pvrusb2-debug.h"
#include "pvrusb2-fx2-cmd.h"
#define TV_MIN_FREQ 55250000L
#define TV_MAX_FREQ 850000000L
@ -1647,7 +1648,7 @@ static int pvr2_hdw_check_firmware(struct pvr2_hdw *hdw)
firmware needs be loaded. */
int result;
LOCK_TAKE(hdw->ctl_lock); do {
hdw->cmd_buffer[0] = 0xeb;
hdw->cmd_buffer[0] = FX2CMD_GET_EEPROM_ADDR;
result = pvr2_send_request_ex(hdw,HZ*1,!0,
hdw->cmd_buffer,1,
hdw->cmd_buffer,1);
@ -2526,7 +2527,7 @@ int pvr2_hdw_is_hsm(struct pvr2_hdw *hdw)
{
int result;
LOCK_TAKE(hdw->ctl_lock); do {
hdw->cmd_buffer[0] = 0x0b;
hdw->cmd_buffer[0] = FX2CMD_GET_USB_SPEED;
result = pvr2_send_request(hdw,
hdw->cmd_buffer,1,
hdw->cmd_buffer,1);
@ -2976,7 +2977,7 @@ int pvr2_write_register(struct pvr2_hdw *hdw, u16 reg, u32 data)
LOCK_TAKE(hdw->ctl_lock);
hdw->cmd_buffer[0] = 0x04; /* write register prefix */
hdw->cmd_buffer[0] = FX2CMD_REG_WRITE; /* write register prefix */
PVR2_DECOMPOSE_LE(hdw->cmd_buffer,1,data);
hdw->cmd_buffer[5] = 0;
hdw->cmd_buffer[6] = (reg >> 8) & 0xff;
@ -2997,7 +2998,7 @@ static int pvr2_read_register(struct pvr2_hdw *hdw, u16 reg, u32 *data)
LOCK_TAKE(hdw->ctl_lock);
hdw->cmd_buffer[0] = 0x05; /* read register prefix */
hdw->cmd_buffer[0] = FX2CMD_REG_READ; /* read register prefix */
hdw->cmd_buffer[1] = 0;
hdw->cmd_buffer[2] = 0;
hdw->cmd_buffer[3] = 0;
@ -3121,7 +3122,7 @@ int pvr2_hdw_cmd_deep_reset(struct pvr2_hdw *hdw)
LOCK_TAKE(hdw->ctl_lock); do {
pvr2_trace(PVR2_TRACE_INIT,"Requesting uproc hard reset");
hdw->flag_ok = !0;
hdw->cmd_buffer[0] = 0xdd;
hdw->cmd_buffer[0] = FX2CMD_DEEP_RESET;
status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0);
} while (0); LOCK_GIVE(hdw->ctl_lock);
return status;
@ -3133,7 +3134,7 @@ int pvr2_hdw_cmd_powerup(struct pvr2_hdw *hdw)
int status;
LOCK_TAKE(hdw->ctl_lock); do {
pvr2_trace(PVR2_TRACE_INIT,"Requesting powerup");
hdw->cmd_buffer[0] = 0xde;
hdw->cmd_buffer[0] = FX2CMD_POWER_ON;
status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0);
} while (0); LOCK_GIVE(hdw->ctl_lock);
return status;
@ -3166,7 +3167,8 @@ static int pvr2_hdw_cmd_usbstream(struct pvr2_hdw *hdw,int runFl)
{
int status;
LOCK_TAKE(hdw->ctl_lock); do {
hdw->cmd_buffer[0] = (runFl ? 0x36 : 0x37);
hdw->cmd_buffer[0] =
(runFl ? FX2CMD_STREAMING_ON : FX2CMD_STREAMING_OFF);
status = pvr2_send_request(hdw,hdw->cmd_buffer,1,NULL,0);
} while (0); LOCK_GIVE(hdw->ctl_lock);
if (!status) {
@ -3265,7 +3267,7 @@ static int pvr2_hdw_get_eeprom_addr(struct pvr2_hdw *hdw)
{
int result;
LOCK_TAKE(hdw->ctl_lock); do {
hdw->cmd_buffer[0] = 0xeb;
hdw->cmd_buffer[0] = FX2CMD_GET_EEPROM_ADDR;
result = pvr2_send_request(hdw,
hdw->cmd_buffer,1,
hdw->cmd_buffer,1);

7
drivers/media/video/pvrusb2/pvrusb2-i2c-core.c
View File

@ -22,6 +22,7 @@
#include "pvrusb2-i2c-core.h"
#include "pvrusb2-hdw-internal.h"
#include "pvrusb2-debug.h"
#include "pvrusb2-fx2-cmd.h"
#define trace_i2c(...) pvr2_trace(PVR2_TRACE_I2C,__VA_ARGS__)
@ -66,7 +67,7 @@ static int pvr2_i2c_write(struct pvr2_hdw *hdw, /* Context */
memset(hdw->cmd_buffer, 0, sizeof(hdw->cmd_buffer));
/* Set up command buffer for an I2C write */
hdw->cmd_buffer[0] = 0x08; /* write prefix */
hdw->cmd_buffer[0] = FX2CMD_I2C_WRITE; /* write prefix */
hdw->cmd_buffer[1] = i2c_addr; /* i2c addr of chip */
hdw->cmd_buffer[2] = length; /* length of what follows */
if (length) memcpy(hdw->cmd_buffer + 3, data, length);
@ -128,7 +129,7 @@ static int pvr2_i2c_read(struct pvr2_hdw *hdw, /* Context */
memset(hdw->cmd_buffer, 0, sizeof(hdw->cmd_buffer));
/* Set up command buffer for an I2C write followed by a read */
hdw->cmd_buffer[0] = 0x09; /* read prefix */
hdw->cmd_buffer[0] = FX2CMD_I2C_READ; /* read prefix */
hdw->cmd_buffer[1] = dlen; /* arg length */
hdw->cmd_buffer[2] = rlen; /* answer length. Device will send one
more byte (status). */
@ -221,7 +222,7 @@ static int i2c_24xxx_ir(struct pvr2_hdw *hdw,
/* Issue a command to the FX2 to read the IR receiver. */
LOCK_TAKE(hdw->ctl_lock); do {
hdw->cmd_buffer[0] = 0xec;
hdw->cmd_buffer[0] = FX2CMD_GET_IR_CODE;
stat = pvr2_send_request(hdw,
hdw->cmd_buffer,1,
hdw->cmd_buffer,4);

3
drivers/media/video/pvrusb2/pvrusb2-v4l2.c
View File

@ -366,8 +366,7 @@ static int pvr2_v4l2_do_ioctl(struct inode *inode, struct file *file,
{
struct v4l2_tuner *vt = (struct v4l2_tuner *)arg;
if (vt->index != 0)
break;
if (vt->index != 0) break; /* Only answer for the 1st tuner */
pvr2_hdw_execute_tuner_poll(hdw);
ret = pvr2_hdw_get_tuner_status(hdw,vt);