OmniNX/Atmosphere
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ams: initial support for 9.0.0

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This commit is contained in:
Michael Scire
2019-09-12 01:18:58 -07:00
committed by SciresM
parent 6ee8720028
commit 93d83c5bb9
31 changed files with 374 additions and 123 deletions
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16
exosphere/src/i2c.c
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@@ -13,7 +13,7 @@
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "i2c.h"
#include "utils.h"
#include "timers.h"
@@ -32,7 +32,7 @@ bool i2c_read(volatile tegra_i2c_t *regs, uint8_t device, void *dst, size_t dst_
/* Configure I2C pinmux. */
void i2c_config(I2CDevice id) {
volatile tegra_pinmux_t *pinmux = pinmux_get_regs();
switch (id) {
case I2C_1:
pinmux->gen1_i2c_scl = PINMUX_INPUT;
@@ -74,7 +74,7 @@ void i2c_init(I2CDevice id) {
/* Wait a while until BUS_CLEAR_DONE is set. */
for (unsigned int i = 0; i < 10; i++) {
wait(20000);
wait(25);
if (regs->I2C_INTERRUPT_STATUS_REGISTER_0 & 0x800) {
break;
}
@@ -88,7 +88,7 @@ void i2c_init(I2CDevice id) {
regs->I2C_INTERRUPT_STATUS_REGISTER_0 = int_status;
}
/* Sets a bit in a PMIC register over I2C during CPU shutdown. */
/* Sets a bit in a PMIC register over I2C during CPU shutdown. */
void i2c_send_pmic_cpu_shutdown_cmd(void) {
uint32_t val = 0;
/* PMIC == Device 4:3C. */
@@ -162,7 +162,7 @@ void i2c_load_config(volatile tegra_i2c_t *regs) {
bool i2c_query(I2CDevice id, uint8_t device, uint8_t r, void *dst, size_t dst_size) {
volatile tegra_i2c_t *regs = i2c_get_registers_from_id(id);
uint32_t val = r;
/* Write single byte register ID to device. */
if (!i2c_write(regs, device, &val, 1)) {
return false;
@@ -171,12 +171,12 @@ bool i2c_query(I2CDevice id, uint8_t device, uint8_t r, void *dst, size_t dst_si
if (dst_size > 4) {
return false;
}
return i2c_read(regs, device, dst, dst_size);
}
/* Writes a value to a register over I2C. */
bool i2c_send(I2CDevice id, uint8_t device, uint8_t r, void *src, size_t src_size) {
bool i2c_send(I2CDevice id, uint8_t device, uint8_t r, void *src, size_t src_size) {
uint32_t val = r;
if (src_size == 0) {
return true;
@@ -240,7 +240,7 @@ bool i2c_read(volatile tegra_i2c_t *regs, uint8_t device, void *dst, size_t dst_
while (regs->I2C_I2C_STATUS_0 & 0x100) {
/* Wait until not busy. */
}
/* Ensure success. */
if ((regs->I2C_I2C_STATUS_0 & 0xF) != 0) {
return false;