Back port to r0p6

fw/button.c

@@ -21,6 +21,7 @@
 //
 #include <stdio.h>
 #include "pico/stdlib.h"
+#include "config.h"
 #include "button.h"
 
 #define BTN1	6
@@ -33,6 +34,7 @@
 #define RELEASE_THRESHOLD		20
 
 void button_init() {
+#ifdef HAS_BUTTON
     gpio_init(BTN1);
     gpio_set_dir(BTN1, GPIO_IN);
     gpio_pull_up(BTN1);
@@ -40,6 +42,7 @@ void button_init() {
     gpio_init(BTN2);
     gpio_set_dir(BTN2, GPIO_IN);
     gpio_pull_up(BTN2);
+#endif
 }
 
 // Scan a single key, ID is the key number from 0, gpio is pin number
@@ -119,8 +122,12 @@ static uint32_t button_scan_single(int id, int gpio) {
 }
 
 uint32_t button_scan() {
+#ifdef HAS_BUTTON
 	uint32_t btn1 = button_scan_single(0, BTN1);
 	uint32_t btn2 = button_scan_single(1, BTN2);
 	uint32_t retval = (btn1 & 0x3) | ((btn2 & 0x3) << 2);
 	return retval;
+#else
+	return 0;
+#endif
 }

fw/config.h

@@ -23,7 +23,8 @@
 
 /* BOARD REVISION CONFIGURATION */
 // Eariler revisions are not supported
-#define BOARD_REV_R0P7
+#define BOARD_REV_R0P6
+//#define BOARD_REV_R0P7
 
 /* SCREEN CONFIGURATION */
 
@@ -53,12 +54,61 @@
 
 
 /* SET BASED ON PREVIOUS DEFINES, DO NOT MODIFY */
-#if defined(BOARD_REV_R0P7)
+#if defined(BOARD_REV_R0P6)
+#define POWER_GPIO
+#define INPUT_PTN3460
+#define HAS_TYPEC
+
+#define TYPEC_MB_ORI_INV    1
+#define TYPEC_AUX_ORI_INV   1
+
+#define I2C_SDA     0
+#define I2C_SCL     1
+
+#define TCPC_I2C i2c0
+
+#define FPGA_CS     12
+#define FPGA_MOSI   13
+#define FPGA_MISO   14
+#define FPGA_SCLK   15
+#define FPGA_PROG   17
+#define FPGA_DONE   18
+#define FPGA_SUSP   19
+
+#define PTN3460_I2C         (i2c0)
+#define PTN3460_HPD_PIN     (8)
+#define PTN3460_PDN_PIN     (9)
+#define PTN3460_VALID_PIN   (2)
+
+#elif defined(BOARD_REV_R0P7)
 #define POWER_GPIO
 #define POWER_GPIO_VCOM_MEASURE
 #define INPUT_ADV7611
 #define INPUT_PTN3460
 #define HAS_TYPEC
+#define HAS_BUTTON
+
+#define TYPEC_MB_ORI_INV    0
+#define TYPEC_AUX_ORI_INV   1
+
+#define I2C_SDA     2
+#define I2C_SCL     3
+
+#define TCPC_I2C i2c1
+
+#define FPGA_CS     13
+#define FPGA_MOSI   15
+#define FPGA_MISO   12
+#define FPGA_SCLK   14
+#define FPGA_PROG   17
+#define FPGA_DONE   18
+#define FPGA_SUSP   19
+
+#define PTN3460_I2C         (i2c1)
+#define PTN3460_HPD_PIN     (7)
+#define PTN3460_PDN_PIN     (9)
+#define PTN3460_VALID_PIN   (4)
+
 #else
 #error "Unknown board revision"
 #endif

fw/fpga.c

@@ -22,17 +22,10 @@
 #include "pico/stdlib.h"
 #include <stdio.h>
 #include "utils.h"
+#include "config.h"
 #include "fpga.h"
 #include "bitstream.h"
 
-#define FPGA_CS     13
-#define FPGA_MOSI   15
-#define FPGA_MISO   12
-#define FPGA_SCLK   14
-#define FPGA_PROG   17
-#define FPGA_DONE   18
-#define FPGA_SUSP   19
-
 static int fpga_done = 0;
 
 static void gpio_init_out(uint32_t pin, bool val) {

fw/fw.c

@@ -51,11 +51,11 @@ int main()
 #endif
 
     // Initialize I2C for TCPC/PTN3460/ADV7611 use
-    i2c_init(i2c1, 100*1000);
+    i2c_init(TCPC_I2C, 100*1000);
-    gpio_set_function(2, GPIO_FUNC_I2C);
+    gpio_set_function(I2C_SDA, GPIO_FUNC_I2C);
-    gpio_set_function(3, GPIO_FUNC_I2C);
+    gpio_set_function(I2C_SCL, GPIO_FUNC_I2C);
-    gpio_pull_up(2);
+    gpio_pull_up(I2C_SDA);
-    gpio_pull_up(3);
+    gpio_pull_up(I2C_SCL);
 
 #ifdef HAS_TYPEC
     int result = tcpm_init(0);

fw/ptn3460.c

@@ -31,10 +31,6 @@
 #ifdef INPUT_PTN3460
 
 #define PTN3460_I2C_ADDRESS (0x60)
-#define PTN3460_I2C         (i2c1)
-#define PTN3460_HPD_PIN     (7)
-#define PTN3460_PDN_PIN     (9)
-#define PTN3460_VALID_PIN   (4)
 
 void ptn3460_select_edid_emulation(uint8_t id) {
     uint8_t buf[2];

fw/tcpm_driver.c

@@ -20,6 +20,7 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 // SOFTWARE.
 //
+#include "config.h"
 #include "tcpm_driver.h"
 #include "pico/stdlib.h"
 #include "hardware/i2c.h"
@@ -29,8 +30,6 @@ const struct tcpc_config_t tcpc_config[CONFIG_USB_PD_PORT_COUNT] = {
   {0, FUSB302_I2C_SLAVE_ADDR, &fusb302_tcpm_drv},
 };
 
-#define TCPC_I2C i2c1
-
 void tcpc_i2c_init(void) {
     // Should be initialized at board level init to avoid dependencies between
     // drivers that need I2C

fw/usb_mux.c

@@ -48,15 +48,13 @@ void usb_mux_set(int port, enum typec_mux mux_mode,
         if (polarity == 0) {
             // Not flipped
             printf("Setting orientation to not flipped\n");
-            gpio_put(USBC_ORI_PIN, 0);
-            ptn3460_set_aux_polarity(1);
         }
         else {
             // Flipped
             printf("Setting orientation to flipped\n");
-            gpio_put(USBC_ORI_PIN, 1);
-            ptn3460_set_aux_polarity(0);
         }
+        gpio_put(USBC_ORI_PIN, polarity ^ TYPEC_MB_ORI_INV);
+        ptn3460_set_aux_polarity(polarity ^ TYPEC_AUX_ORI_INV);
     }
 }