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Code Issues Releases Wiki Activity

intel_bios_reader: make the VBT pointers more const

Browse Source 
In const we trust.

Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Jani Nikula 2016-01-14 16:08:55 +02:00
parent d9588c891d
commit b26393489e
1 changed files with 28 additions and 28 deletions
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56
tools/intel_bios_reader.c
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@ -69,10 +69,10 @@ uint8_t *VBIOS;
struct bdb_block {
uint8_t id;
uint32_t size;
void *data;
const void *data;
};
struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs;
const struct bdb_lvds_lfp_data_ptrs *lvds_lfp_data_ptrs;
static int tv_present;
static int lvds_present;
static int panel_type;
@ -91,7 +91,7 @@ static struct bdb_block *find_section(const struct bdb_header *bdb,
int section_id, int length)
{
struct bdb_block *block;
unsigned char *base = (unsigned char *)bdb;
const uint8_t *base = (const uint8_t *)bdb;
int index = 0;
uint32_t total, current_size;
unsigned char current_id;
@ -134,7 +134,7 @@ static struct bdb_block *find_section(const struct bdb_header *bdb,
static void dump_general_features(const struct bdb_header *bdb,
const struct bdb_block *block)
{
struct bdb_general_features *features = block->data;
const struct bdb_general_features *features = block->data;
printf("\tPanel fitting: ");
switch (features->panel_fitting) {
@ -187,8 +187,8 @@ static void dump_general_features(const struct bdb_header *bdb,
static void dump_backlight_info(const struct bdb_header *bdb,
const struct bdb_block *block)
{
struct bdb_lvds_backlight *backlight = block->data;
struct blc_struct *blc;
const struct bdb_lvds_backlight *backlight = block->data;
const struct blc_struct *blc;
if (sizeof(struct blc_struct) != backlight->blcstruct_size) {
printf("\tBacklight struct sizes don't match (expected %zu, got %u), skipping\n",
@ -409,7 +409,7 @@ static void dump_child_device(const struct bdb_header *bdb,
static void dump_general_definitions(const struct bdb_header *bdb,
const struct bdb_block *block)
{
struct bdb_general_definitions *defs = block->data;
const struct bdb_general_definitions *defs = block->data;
int i;
int child_device_num;
@ -432,8 +432,8 @@ static void dump_general_definitions(const struct bdb_header *bdb,
static void dump_child_devices(const struct bdb_header *bdb,
const struct bdb_block *block)
{
struct bdb_child_devices *child_devs = block->data;
struct child_device_config *child;
const struct bdb_child_devices *child_devs = block->data;
const struct child_device_config *child;
int i;
for (i = 0; i < DEVICE_CHILD_SIZE; i++) {
@ -456,7 +456,7 @@ static void dump_child_devices(const struct bdb_header *bdb,
static void dump_lvds_options(const struct bdb_header *bdb,
const struct bdb_block *block)
{
struct bdb_lvds_options *options = block->data;
const struct bdb_lvds_options *options = block->data;
panel_type = options->panel_type;
printf("\tPanel type: %d\n", panel_type);
@ -473,7 +473,7 @@ static void dump_lvds_options(const struct bdb_header *bdb,
static void dump_lvds_ptr_data(const struct bdb_header *bdb,
const struct bdb_block *block)
{
struct bdb_lvds_lfp_data_ptrs *ptrs = block->data;
const struct bdb_lvds_lfp_data_ptrs *ptrs = block->data;
printf("\tNumber of entries: %d\n", ptrs->lvds_entries);
@ -484,8 +484,8 @@ static void dump_lvds_ptr_data(const struct bdb_header *bdb,
static void dump_lvds_data(const struct bdb_header *bdb,
const struct bdb_block *block)
{
struct bdb_lvds_lfp_data *lvds_data = block->data;
struct bdb_lvds_lfp_data_ptrs *ptrs = lvds_lfp_data_ptrs;
const struct bdb_lvds_lfp_data *lvds_data = block->data;
const struct bdb_lvds_lfp_data_ptrs *ptrs = lvds_lfp_data_ptrs;
int num_entries;
int i;
int hdisplay, hsyncstart, hsyncend, htotal;
@ -509,11 +509,11 @@ static void dump_lvds_data(const struct bdb_header *bdb,
num_entries);
for (i = 0; i < num_entries; i++) {
uint8_t *lfp_data_ptr =
(uint8_t *) lvds_data->data + lfp_data_size * i;
uint8_t *timing_data = lfp_data_ptr + dvo_offset;
struct bdb_lvds_lfp_data_entry *lfp_data =
(struct bdb_lvds_lfp_data_entry *)lfp_data_ptr;
const uint8_t *lfp_data_ptr =
(const uint8_t *) lvds_data->data + lfp_data_size * i;
const uint8_t *timing_data = lfp_data_ptr + dvo_offset;
const struct bdb_lvds_lfp_data_entry *lfp_data =
(const struct bdb_lvds_lfp_data_entry *)lfp_data_ptr;
char marker;
if (i == panel_type)
@ -557,7 +557,7 @@ static void dump_lvds_data(const struct bdb_header *bdb,
static void dump_driver_feature(const struct bdb_header *bdb,
const struct bdb_block *block)
{
struct bdb_driver_feature *feature = block->data;
const struct bdb_driver_feature *feature = block->data;
printf("\tBoot Device Algorithm: %s\n", feature->boot_dev_algorithm ?
"driver default" : "os default");
@ -624,7 +624,7 @@ static void dump_driver_feature(const struct bdb_header *bdb,
static void dump_edp(const struct bdb_header *bdb,
const struct bdb_block *block)
{
struct bdb_edp *edp = block->data;
const struct bdb_edp *edp = block->data;
int bpp, msa;
int i;
@ -723,7 +723,7 @@ static void dump_edp(const struct bdb_header *bdb,
}
static void
print_detail_timing_data(struct lvds_dvo_timing2 *dvo_timing)
print_detail_timing_data(const struct lvds_dvo_timing2 *dvo_timing)
{
int display, sync_start, sync_end, total;
@ -754,7 +754,7 @@ print_detail_timing_data(struct lvds_dvo_timing2 *dvo_timing)
static void dump_sdvo_panel_dtds(const struct bdb_header *bdb,
const struct bdb_block *block)
{
struct lvds_dvo_timing2 *dvo_timing = block->data;
const struct lvds_dvo_timing2 *dvo_timing = block->data;
int n, count;
count = block->size / sizeof(struct lvds_dvo_timing2);
@ -767,7 +767,7 @@ static void dump_sdvo_panel_dtds(const struct bdb_header *bdb,
static void dump_sdvo_lvds_options(const struct bdb_header *bdb,
const struct bdb_block *block)
{
struct bdb_sdvo_lvds_options *options = block->data;
const struct bdb_sdvo_lvds_options *options = block->data;
printf("\tbacklight: %d\n", options->panel_backlight);
printf("\th40 type: %d\n", options->h40_set_panel_type);
@ -789,9 +789,9 @@ static void dump_sdvo_lvds_options(const struct bdb_header *bdb,
static void dump_mipi_config(const struct bdb_header *bdb,
const struct bdb_block *block)
{
struct bdb_mipi_config *start = block->data;
struct mipi_config *config;
struct mipi_pps_data *pps;
const struct bdb_mipi_config *start = block->data;
const struct mipi_config *config;
const struct mipi_pps_data *pps;
config = &start->config[panel_type];
pps = &start->pps[panel_type];
@ -1009,7 +1009,7 @@ static const uint8_t *dump_sequence(const uint8_t *data)
static void dump_mipi_sequence(const struct bdb_header *bdb,
const struct bdb_block *block)
{
struct bdb_mipi_sequence *sequence = block->data;
const struct bdb_mipi_sequence *sequence = block->data;
const uint8_t *data;
int i, panel_id, seq_size;
uint32_t block_size;
@ -1168,7 +1168,7 @@ struct dumper dumpers[] = {
static void hex_dump(const struct bdb_block *block)
{
int i;
uint8_t *p = block->data;
const uint8_t *p = block->data;
for (i = 0; i < block->size; i++) {
if (i % 16 == 0)