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common/csi: Refactor omv_csi_init.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
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7bd8c2ce53
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ecbdbdfde1
@ -119,6 +119,7 @@ uint16_t resolution[][2] = {
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{2592, 1944}, /* WQXGA2 */
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};
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static omv_i2c_t csi_i2c;
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omv_csi_t csi_all[OMV_CSI_MAX_DEVICES] = {0};
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__weak void omv_csi_init0() {
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@ -149,9 +150,73 @@ __weak void omv_csi_init0() {
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}
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__weak int omv_csi_init() {
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// Reset the csi state
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memset(csi_all, 0, sizeof(csi_all));
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return OMV_CSI_ERROR_CTL_UNSUPPORTED;
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int ret = 0;
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// List of I2C buses to scan.
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uint32_t buses[][2] = {
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{ OMV_CSI_I2C_ID, OMV_CSI_I2C_SPEED },
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#if defined(OMV_CSI_I2C_ALT_ID)
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{ OMV_CSI_I2C_ALT_ID, OMV_CSI_I2C_ALT_SPEED },
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#endif
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};
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// Configure CSI GPIOs
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#if defined(OMV_CSI_RESET_PIN)
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omv_gpio_config(OMV_CSI_RESET_PIN, OMV_GPIO_MODE_OUTPUT, OMV_GPIO_PULL_NONE, OMV_GPIO_SPEED_LOW, -1);
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#endif
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#if defined(OMV_CSI_FSYNC_PIN)
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omv_gpio_config(OMV_CSI_FSYNC_PIN, OMV_GPIO_MODE_OUTPUT, OMV_GPIO_PULL_NONE, OMV_GPIO_SPEED_LOW, -1);
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#endif
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#if defined(OMV_CSI_POWER_PIN)
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omv_gpio_config(OMV_CSI_POWER_PIN, OMV_GPIO_MODE_OUTPUT, OMV_GPIO_PULL_NONE, OMV_GPIO_SPEED_LOW, -1);
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#endif
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// Initialize the CSIs using the port's ops as defaults,
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// which can be overridden by sensor drivers during probe.
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for (size_t i=0; i<OMV_CSI_MAX_DEVICES; i++) {
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omv_csi_t *csi = &csi_all[i];
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memset(csi, 0, sizeof(omv_csi_t));
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csi->i2c = &csi_i2c;
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csi->fb = framebuffer_get(-1);
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csi->color_palette = rainbow_table;
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omv_csi_ops_init(csi);
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}
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// Configure the csi external clock (XCLK).
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if (omv_csi_set_clk_frequency(OMV_CSI_CLK_FREQUENCY) != 0) {
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return OMV_CSI_ERROR_TIM_INIT_FAILED;
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}
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// Detect and initialize sensor(s).
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for (uint32_t i=0, n_buses=OMV_ARRAY_SIZE(buses); i<n_buses; i++) {
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// Initialize the camera bus.
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omv_i2c_init(&csi_i2c, buses[i][0], buses[i][1]);
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if (!(ret = omv_csi_probe(&csi_i2c))) {
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break;
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}
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omv_i2c_deinit(&csi_i2c);
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// Scan the next bus or fail if this is the last one.
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if ((i + 1) == n_buses) {
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return ret;
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}
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}
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// Configure the DCMI interface.
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for (size_t i=0; i<OMV_CSI_MAX_DEVICES; i++) {
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omv_csi_t *csi = &csi_all[i];
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if (omv_csi_config(csi, OMV_CSI_CONFIG_INIT) != 0) {
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return OMV_CSI_ERROR_CSI_INIT_FAILED;
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}
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}
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// Clear fb_enabled flag.
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JPEG_FB()->enabled = 0;
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return 0;
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}
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omv_csi_t *omv_csi_get(int id) {
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@ -400,6 +400,9 @@ void omv_csi_init0();
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// Initializes CSI struct with default ops.
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int omv_csi_init();
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// Implemented by ports to set the default CSI ops.
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int omv_csi_ops_init(omv_csi_t *csi);
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// Return CSI instance.
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// If id == -1, return the main csi, otherwise look up csi by chip-id.
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omv_csi_t *omv_csi_get(int id);
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