asoc: wcd939x: Support xtalk for high voltage mics
Update zdet and xtalk to support high voltage microphones with improved accuracy. Change-Id: I4b0af5ade7f653de4a938162302ec21c4a09891f Signed-off-by: Sam Rainey <quic_rainey@quicinc.com>
Cette révision appartient à :
Sam Rainey
@@ -17,11 +17,14 @@
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#define SWR_SCP_CONTROL 0x44
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#define SWR_SCP_HOST_CLK_DIV2_CTL_BANK 0xE0
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#define WCD939X_MAX_MICBIAS 4
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#define R_COMMON_GND_BUFFER_SIZE 4
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#define MAX_XTALK_SCALE 31
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#define MIN_XTALK_ALPHA 0
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#define MIN_K_TIMES_100 -90
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#define MAX_K_TIMES_100 10000
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#define MAX_USBCSS_HS_IMPEDANCE_MOHMS 20000
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#define MIN_DIFF_SLOPE_FACTOR 9800
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#define MAX_DIFF_SLOPE_FACTOR 10000
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/* Convert from vout ctl to micbias voltage in mV */
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#define WCD_VOUT_CTL_TO_MICB(v) (1000 + v * 50)
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@@ -162,80 +165,100 @@ struct wcd939x_micbias_setting {
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u8 bias1_cfilt_sel;
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};
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struct wcd939x_usbcss_hs_params {
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/* Resistance of ground-side internal FET for SBU1 */
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u32 r_gnd_sbu1_int_fet_mohms;
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/* Resistance of ground-side internal FET for SBU2 */
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u32 r_gnd_sbu2_int_fet_mohms;
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/* Customer-characterized resistance for the ground-side external FET */
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u32 r_gnd_ext_fet_customer_mohms;
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/* SW-computed resistance for the ground-side external FET */
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u32 r_gnd_ext_fet_mohms;
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struct aud_ch_params {
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/* Resistance of audio-side internal FET */
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u32 r_aud_int_fet_mohms;
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/* Resistance of audio-side external FET */
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u32 r_aud_ext_fet_mohms;
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/* Total right audio-side resistance */
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u32 r_aud_res_tot_mohms;
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/* Sum of audio-side parasitics and the left/right side of the load */
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u32 r_load_eff_mohms;
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/* DT audio parasitics between HPH_L/R and HPHL/R_FB, in milliohms */
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u32 r1;
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/* DT audio-side parasitics between the WCD and external FET,
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* in milliohms
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*/
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u32 r3;
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/* Calibrated and adjusted SE zdet measurement value */
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u32 zval;
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};
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struct aud_params {
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/* Left-side audio params */
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struct aud_ch_params l;
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/* Right-side audio params */
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struct aud_ch_params r;
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/* Surge switch resistance */
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u32 r_surge_mohms;
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/* Tap out linearizer constant for the audio path, multiplied by 100 from the original
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* constants to support decimal values up to the hundredth place
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*/
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s32 k_aud_times_100;
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/* Fixed offset to be applied to audio taps */
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s32 aud_tap_offset;
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};
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struct gnd_sbu_params {
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/* Resistance of ground-side internal FET */
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u32 r_gnd_int_fet_mohms;
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/* Total ground-side parasitics between the WCD and external FET */
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u32 r_gnd_par_route1_mohms;
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/* Total ground-side parasitics between the external FET and connector */
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u32 r_gnd_par_route2_mohms;
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/* Total ground-side parasitics between the WCD and connector; sum of route1 and route2 */
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u32 r_gnd_par_tot_mohms;
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/* Total ground-side resistance for SBU1 */
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u32 r_gnd_sbu1_res_tot_mohms;
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/* Total ground-side resistance for SBU2 */
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u32 r_gnd_sbu2_res_tot_mohms;
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/* Customer-characterized positive parasitics introduced from the connector */
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u32 r_conn_par_load_pos_mohms;
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/* Resistance of left audio-side internal FET */
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u32 r_aud_int_fet_l_mohms;
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/* Resistance of right audio-side internal FET */
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u32 r_aud_int_fet_r_mohms;
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/* Resistance of left audio-side external FET */
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u32 r_aud_ext_fet_l_mohms;
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/* Resistance of right audio-side external FET */
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u32 r_aud_ext_fet_r_mohms;
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/* Total left audio-side resistance */
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u32 r_aud_res_tot_l_mohms;
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/* Total right audio-side resistance */
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u32 r_aud_res_tot_r_mohms;
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/* Surge switch resistance */
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u32 r_surge_mohms;
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/* Sum of left audio-side parasitics and the left side of the load */
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u32 r_load_eff_l_mohms;
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/* Sum of right audio-side parasitics and the right side of the load */
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u32 r_load_eff_r_mohms;
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/* Customer-characterized audio-side parasitics between the WCD and external FET,
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* in milliohms
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*/
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u32 r3;
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/* Customer-characterized ground-side parasitics between the external FET and connector,
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* in milliohms
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*/
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/* Total ground-side resistance */
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u32 r_gnd_res_tot_mohms;
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/* DT ground-side parasitics between the external FET and connector, in milliohms */
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u32 r4;
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/* For digital crosstalk with remote sensed analog crosstalk mode, customer-characterized
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* ground path parasitic resistance between the WCD SBU pin and the external MOSFET,
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* in milliohms
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/* For digital crosstalk with remote sensed analog crosstalk mode, DT ground path parasitic
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* resistance between the WCD SBU pin and the external MOSFET, in milliohms
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*/
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u32 r5;
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/* For digital crosstalk with local sensed analog crosstalk mode, customer-characterized
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* ground path parasitic resistance between the WCD GSBU tap point and the external MOSFET,
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* in milliohms
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/* For digital crosstalk with local sensed analog crosstalk mode, DT ground path parasitic
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* resistance between the WCD GSBU tap point and the external MOSFET, in milliohms
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*/
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u32 r6;
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/* For digital crosstalk with local sensed analog crosstalk mode, customer-characterized
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* ground path parasitic resistance between the WCD GSBU tap point and the WCD SBU pin,
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* in milliohms
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/* For digital crosstalk with local sensed analog crosstalk mode, DT ground path parasitic
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* resistance between the WCD GSBU tap point and the WCD SBU pin, in milliohms
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*/
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u32 r7;
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/* Tap out linearizer constant for the audio path, multiplied by 100 from the original
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* constants to support decimal values up to the hundredth place
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*/
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s32 k_aud_times_100;
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/* Tap out linearizer constant for the ground path, multiplied by 100 from the original
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* constants to support decimal values up to the hundredth place
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*/
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s32 k_gnd_times_100;
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/* Fixed offset to be applied to audio taps */
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s32 aud_tap_offset;
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/* Fixed offset to be applied to ground taps */
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s32 gnd_tap_offset;
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};
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struct r_common_gnd_buffer {
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/* Data for elements in buffer */
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u32 data[R_COMMON_GND_BUFFER_SIZE];
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/* Index to write next element in buffer */
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size_t write_index;
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};
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struct gnd_params {
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/* SBU1-ground params */
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struct gnd_sbu_params sbu1;
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/* SBU2-ground params */
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struct gnd_sbu_params sbu2;
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/* FIFO circular buffer for storing previous values of r_common_gnd_mohms */
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struct r_common_gnd_buffer r_cm_gnd_buffer;
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/* DT resistance of the ground-side external FET, in milliohms */
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u32 rdson_mohms;
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/* DT resistance of the ground-side external FET, Vgs=3.6V, in milliohms */
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u32 rdson_3p6v_mohms;
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/* Difference between the ground external FET, Vgs=3.6V and Vgs=6V */
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u32 gnd_ext_fet_delta_mohms;
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/* Minimum value used for linearizer audio tap calculations */
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u32 gnd_ext_fet_min_mohms;
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/* SW-computed resistance for the ground-side external FET */
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u32 r_gnd_ext_fet_mohms;
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/* Total ground-side resistance, with the internal FET and the route1 parasitic removed */
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u32 r_common_gnd_mohms;
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/* Ground path offset for testing debug, in milliohms */
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s32 r_common_gnd_offset;
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/* Margin to check if the calculated r_common_gnd is in a reasonable range, in milliohms */
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u32 r_common_gnd_margin;
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};
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struct xtalk_params {
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/* Computed optimal d-xtalk left-side scale value */
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u8 scale_l;
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/* Computed optimal d-xtalk left-side alpha value */
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@@ -244,7 +267,7 @@ struct wcd939x_usbcss_hs_params {
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u8 scale_r;
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/* Computed optimal d-xtalk right-side alpha value */
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u8 alpha_r;
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/* Customer-tuned configuration for d-xtalk:
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/* DT configuration for d-xtalk:
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* 0 for digital crosstalk disabled,
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* 1 for digital crosstalk with local sensed a-xtalk enabled, and
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* 2 for digital crosstalk with remote sensed a-xtalk enabled.
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@@ -252,6 +275,21 @@ struct wcd939x_usbcss_hs_params {
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enum xtalk_mode xtalk_config;
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};
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struct wcd939x_usbcss_hs_params {
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/* Audio-side USBCSS-HS impedance parameters */
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struct aud_params aud;
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/* Ground-side USBCSS-HS impedance parameters */
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struct gnd_params gnd;
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/* Xtalk-specific parameters */
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struct xtalk_params xtalk;
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/* Calibrated and adjusted differential zdet measurement value */
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u32 zdiffval;
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/* Multiplicative scale factor to adjust differential zdet measurement value, times 1000 */
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u32 diff_slope_factor_times_1000;
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/* Multiplicative scale factor to adjust single-ended zdet measurement value, times 1000 */
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u32 se_slope_factor_times_1000;
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};
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struct wcd939x_pdata {
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struct device_node *rst_np;
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struct device_node *rx_slave;
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Fichier diff supprimé car celui-ci est trop grand
Voir la Diff
@@ -22,9 +22,10 @@ static inline u32 get_r_gnd_res_tot_mohms(u32 r_gnd_int_fet_mohms, u32 r_gnd_ext
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return r_gnd_int_fet_mohms + r_gnd_ext_fet_mohms + r_gnd_par_tot_mohms;
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}
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static inline u32 get_r_aud_res_tot_mohms(u32 r_aud_int_fet_mohms, u32 r_aud_ext_fet_mohms)
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static inline u32 get_r_aud_res_tot_mohms(u32 r_aud_int_fet_mohms, u32 r_aud_ext_fet_mohms,
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u32 r_load_eff_mohms)
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{
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return r_aud_int_fet_mohms + r_aud_ext_fet_mohms;
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return r_aud_int_fet_mohms + r_aud_ext_fet_mohms + r_load_eff_mohms;
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}
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#if IS_ENABLED(CONFIG_SND_SOC_WCD939X)
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@@ -51,6 +51,7 @@
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#define HPH_IMPEDANCE_2VPK_MODE_OHMS 260
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#define XTALK_L_CH_NUM 0
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#define XTALK_R_CH_NUM 1
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#define GND_EXT_FET_MARGIN_MOHMS 200
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#define NUM_ATTEMPTS 5
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#define COMP_MAX_COEFF 25
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@@ -1068,14 +1069,14 @@ static int wcd939x_config_xtalk(struct snd_soc_component *component,
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/* Write scale and alpha based on channel */
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if (xtalk_indx == XTALK_L_CH_NUM) {
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snd_soc_component_update_bits(component, xtalk_sec1, 0xFF,
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pdata->usbcss_hs.alpha_l);
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pdata->usbcss_hs.xtalk.alpha_l);
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snd_soc_component_update_bits(component, xtalk_sec0, 0x1F,
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pdata->usbcss_hs.scale_l);
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pdata->usbcss_hs.xtalk.scale_l);
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} else if (xtalk_indx == XTALK_R_CH_NUM) {
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snd_soc_component_update_bits(component, xtalk_sec1, 0xFF,
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pdata->usbcss_hs.alpha_r);
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pdata->usbcss_hs.xtalk.alpha_r);
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snd_soc_component_update_bits(component, xtalk_sec0, 0x1F,
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pdata->usbcss_hs.scale_r);
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pdata->usbcss_hs.xtalk.scale_r);
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} else {
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snd_soc_component_update_bits(component, xtalk_sec1, 0xFF, MIN_XTALK_ALPHA);
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snd_soc_component_update_bits(component, xtalk_sec0, 0x1F, MAX_XTALK_SCALE);
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@@ -4768,41 +4769,69 @@ static void wcd939x_dt_parse_micbias_info(struct device *dev,
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}
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}
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static void fill_r_common_gnd_buffer(struct wcd939x_usbcss_hs_params *usbcss_hs, u32 val)
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{
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size_t i;
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for (i = 0; i < R_COMMON_GND_BUFFER_SIZE; i++)
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usbcss_hs->gnd.r_cm_gnd_buffer.data[i] = val;
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}
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static void init_usbcss_hs_params(struct wcd939x_usbcss_hs_params *usbcss_hs)
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{
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usbcss_hs->r_gnd_sbu1_int_fet_mohms = 145;
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usbcss_hs->r_gnd_sbu2_int_fet_mohms = 185;
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usbcss_hs->r_gnd_ext_fet_customer_mohms = 0;
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usbcss_hs->r_gnd_ext_fet_mohms = 0; /* to be computed during MBHC zdet */
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usbcss_hs->r_gnd_par_route1_mohms = 5;
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usbcss_hs->r_gnd_par_route2_mohms = 330;
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usbcss_hs->r_gnd_par_tot_mohms = 0;
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usbcss_hs->r_gnd_sbu1_res_tot_mohms = 0;
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usbcss_hs->r_gnd_sbu2_res_tot_mohms = 0;
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usbcss_hs->r_conn_par_load_pos_mohms = 7550;
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usbcss_hs->r_aud_int_fet_l_mohms = 303;
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usbcss_hs->r_aud_int_fet_r_mohms = 275;
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usbcss_hs->r_aud_ext_fet_l_mohms = 0; /* to be computed during MBHC zdet */
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usbcss_hs->r_aud_ext_fet_r_mohms = 0; /* to be computed during MBHC zdet */
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usbcss_hs->r_aud_res_tot_l_mohms = 0;
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usbcss_hs->r_aud_res_tot_r_mohms = 0;
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usbcss_hs->r_surge_mohms = 272;
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usbcss_hs->r_load_eff_l_mohms = 0; /* to be computed during MBHC zdet */
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usbcss_hs->r_load_eff_r_mohms = 0; /* to be computed during MBHC zdet */
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||||
usbcss_hs->r3 = 1;
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||||
usbcss_hs->r4 = 330;
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||||
usbcss_hs->r5 = 5;
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||||
usbcss_hs->r6 = 1;
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||||
usbcss_hs->r7 = 5;
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||||
usbcss_hs->k_aud_times_100 = 13;
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||||
usbcss_hs->k_gnd_times_100 = 13;
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||||
usbcss_hs->aud_tap_offset = 0;
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||||
usbcss_hs->gnd_tap_offset = 0;
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||||
usbcss_hs->scale_l = MAX_XTALK_SCALE;
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||||
usbcss_hs->alpha_l = MIN_XTALK_ALPHA;
|
||||
usbcss_hs->scale_r = MAX_XTALK_SCALE;
|
||||
usbcss_hs->alpha_r = MIN_XTALK_ALPHA;
|
||||
usbcss_hs->xtalk_config = XTALK_NONE;
|
||||
fill_r_common_gnd_buffer(usbcss_hs, 0);
|
||||
usbcss_hs->gnd.sbu1.r_gnd_int_fet_mohms = 183;
|
||||
usbcss_hs->gnd.sbu2.r_gnd_int_fet_mohms = 127;
|
||||
usbcss_hs->gnd.r_cm_gnd_buffer.write_index = 0;
|
||||
usbcss_hs->gnd.rdson_mohms = 500;
|
||||
usbcss_hs->gnd.rdson_3p6v_mohms = 545;
|
||||
usbcss_hs->gnd.r_gnd_ext_fet_mohms = 0; /* to be computed during MBHC zdet */
|
||||
usbcss_hs->gnd.r_common_gnd_mohms = 0;
|
||||
usbcss_hs->gnd.r_common_gnd_offset = 0;
|
||||
usbcss_hs->gnd.r_common_gnd_margin = 500;
|
||||
usbcss_hs->gnd.gnd_ext_fet_delta_mohms = 45;
|
||||
usbcss_hs->gnd.gnd_ext_fet_min_mohms = 0;
|
||||
usbcss_hs->gnd.sbu1.r_gnd_par_route1_mohms = 5;
|
||||
usbcss_hs->gnd.sbu2.r_gnd_par_route1_mohms = 5;
|
||||
usbcss_hs->gnd.sbu1.r_gnd_par_route2_mohms = 330;
|
||||
usbcss_hs->gnd.sbu2.r_gnd_par_route2_mohms = 330;
|
||||
usbcss_hs->gnd.sbu1.r_gnd_par_tot_mohms = 0;
|
||||
usbcss_hs->gnd.sbu2.r_gnd_par_tot_mohms = 0;
|
||||
usbcss_hs->gnd.sbu1.r_gnd_res_tot_mohms = 0;
|
||||
usbcss_hs->gnd.sbu2.r_gnd_res_tot_mohms = 0;
|
||||
usbcss_hs->aud.l.r_aud_int_fet_mohms = 290;
|
||||
usbcss_hs->aud.r.r_aud_int_fet_mohms = 290;
|
||||
usbcss_hs->aud.l.r_aud_ext_fet_mohms = 0; /* to be computed during MBHC zdet */
|
||||
usbcss_hs->aud.r.r_aud_ext_fet_mohms = 0; /* to be computed during MBHC zdet */
|
||||
usbcss_hs->aud.l.r_aud_res_tot_mohms = 0;
|
||||
usbcss_hs->aud.r.r_aud_res_tot_mohms = 0;
|
||||
usbcss_hs->aud.r_surge_mohms = 229;
|
||||
usbcss_hs->aud.l.r_load_eff_mohms = 0; /* to be computed during MBHC zdet */
|
||||
usbcss_hs->aud.r.r_load_eff_mohms = 0; /* to be computed during MBHC zdet */
|
||||
usbcss_hs->aud.l.zval = 0; /* to be computed during MBHC zdet */
|
||||
usbcss_hs->aud.r.zval = 0; /* to be computed during MBHC zdet */
|
||||
usbcss_hs->zdiffval = 0; /* to be computed during MBHC zdet */
|
||||
usbcss_hs->diff_slope_factor_times_1000 = 9898;
|
||||
usbcss_hs->se_slope_factor_times_1000 = 9906;
|
||||
usbcss_hs->aud.l.r1 = 310;
|
||||
usbcss_hs->aud.r.r1 = 310;
|
||||
usbcss_hs->aud.l.r3 = 1;
|
||||
usbcss_hs->aud.r.r3 = 1;
|
||||
usbcss_hs->gnd.sbu1.r4 = 530;
|
||||
usbcss_hs->gnd.sbu2.r4 = 530;
|
||||
usbcss_hs->gnd.sbu1.r5 = 5;
|
||||
usbcss_hs->gnd.sbu2.r5 = 5;
|
||||
usbcss_hs->gnd.sbu1.r6 = 1;
|
||||
usbcss_hs->gnd.sbu2.r6 = 1;
|
||||
usbcss_hs->gnd.sbu1.r7 = 5;
|
||||
usbcss_hs->gnd.sbu2.r7 = 5;
|
||||
usbcss_hs->aud.k_aud_times_100 = 13;
|
||||
usbcss_hs->aud.aud_tap_offset = 0;
|
||||
usbcss_hs->xtalk.scale_l = MAX_XTALK_SCALE;
|
||||
usbcss_hs->xtalk.alpha_l = MIN_XTALK_ALPHA;
|
||||
usbcss_hs->xtalk.scale_r = MAX_XTALK_SCALE;
|
||||
usbcss_hs->xtalk.alpha_r = MIN_XTALK_ALPHA;
|
||||
usbcss_hs->xtalk.xtalk_config = XTALK_NONE;
|
||||
}
|
||||
|
||||
static void parse_xtalk_param(struct device *dev, u32 default_val, u32 *prop_val_p,
|
||||
@@ -4827,7 +4856,7 @@ static void parse_xtalk_param(struct device *dev, u32 default_val, u32 *prop_val
|
||||
static void wcd939x_dt_parse_usbcss_hs_info(struct device *dev,
|
||||
struct wcd939x_usbcss_hs_params *usbcss_hs)
|
||||
{
|
||||
u32 prop_val = 0;
|
||||
u32 prop_val = 0, r_common_gnd_mohms = 0;
|
||||
s32 prop_val_signed = 0;
|
||||
int rc = 0;
|
||||
|
||||
@@ -4839,7 +4868,7 @@ static void wcd939x_dt_parse_usbcss_hs_info(struct device *dev,
|
||||
rc = wcd939x_read_of_property_u32(dev, "qcom,usbcss-hs-xtalk-config", &prop_val);
|
||||
if ((!rc) && (prop_val == XTALK_NONE || prop_val == XTALK_DIGITAL
|
||||
|| prop_val == XTALK_ANALOG)) {
|
||||
usbcss_hs->xtalk_config = (enum xtalk_mode) prop_val;
|
||||
usbcss_hs->xtalk.xtalk_config = (enum xtalk_mode) prop_val;
|
||||
} else
|
||||
dev_dbg(dev, "%s: %s OOB. Default value of %s used.\n",
|
||||
__func__, "qcom,usbcss-hs-xtalk-config", "XTALK_NONE");
|
||||
@@ -4850,83 +4879,142 @@ static void wcd939x_dt_parse_usbcss_hs_info(struct device *dev,
|
||||
/* k values for linearizer */
|
||||
if (of_find_property(dev->of_node, "qcom,usbcss-hs-lin-k-aud", NULL)) {
|
||||
rc = wcd939x_read_of_property_s32(dev, "qcom,usbcss-hs-lin-k-aud",
|
||||
&prop_val);
|
||||
if ((!rc) && (prop_val <= MAX_K_TIMES_100) && (prop_val >= MIN_K_TIMES_100))
|
||||
usbcss_hs->k_aud_times_100 = prop_val;
|
||||
dev_dbg(dev, "%s: %s OOB. Default value of %d will be used.\n",
|
||||
__func__, "qcom,usbcss-hs-lin-k-aud",
|
||||
usbcss_hs->k_aud_times_100);
|
||||
} else {
|
||||
dev_dbg(dev, "%s: %s property not found. Default value of %d will be used.\n",
|
||||
__func__, "qcom,usbcss-hs-lin-k-aud",
|
||||
usbcss_hs->k_aud_times_100);
|
||||
}
|
||||
if (of_find_property(dev->of_node, "qcom,usbcss-hs-lin-k-gnd", NULL)) {
|
||||
rc = wcd939x_read_of_property_s32(dev, "qcom,usbcss-hs-lin-k-gnd",
|
||||
&prop_val_signed);
|
||||
if ((!rc) && (prop_val_signed <= MAX_K_TIMES_100) &&
|
||||
(prop_val_signed >= MIN_K_TIMES_100))
|
||||
usbcss_hs->k_gnd_times_100 = prop_val_signed;
|
||||
dev_dbg(dev, "%s: %s OOB. Default value of %d will be used.\n",
|
||||
__func__, "qcom,usbcss-hs-lin-k-gnd",
|
||||
usbcss_hs->k_gnd_times_100);
|
||||
usbcss_hs->aud.k_aud_times_100 = prop_val_signed;
|
||||
else
|
||||
dev_dbg(dev, "%s: %s OOB. Default value of %d will be used.\n",
|
||||
__func__, "qcom,usbcss-hs-lin-k-aud",
|
||||
usbcss_hs->aud.k_aud_times_100);
|
||||
} else {
|
||||
dev_dbg(dev, "%s: %s property not found. Default value of %d will be used.\n",
|
||||
__func__, "qcom,usbcss-hs-lin-k-gnd",
|
||||
usbcss_hs->k_gnd_times_100);
|
||||
__func__, "qcom,usbcss-hs-lin-k-aud",
|
||||
usbcss_hs->aud.k_aud_times_100);
|
||||
}
|
||||
|
||||
/* r_gnd_ext_fet_customer_mohms */
|
||||
parse_xtalk_param(dev, usbcss_hs->r_gnd_ext_fet_customer_mohms, &prop_val,
|
||||
"qcom,usbcss-hs-rdson");
|
||||
usbcss_hs->r_gnd_ext_fet_customer_mohms = prop_val;
|
||||
/* r_conn_par_load_pos_mohm */
|
||||
parse_xtalk_param(dev, usbcss_hs->r_conn_par_load_pos_mohms, &prop_val,
|
||||
"qcom,usbcss-hs-r2");
|
||||
usbcss_hs->r_conn_par_load_pos_mohms = prop_val;
|
||||
/* Differential slope factor */
|
||||
if (of_find_property(dev->of_node, "qcom,usbcss-hs-diff-slope", NULL)) {
|
||||
rc = wcd939x_read_of_property_u32(dev, "qcom,usbcss-hs-diff-slope", &prop_val);
|
||||
if ((!rc) && (prop_val <= MAX_DIFF_SLOPE_FACTOR) &&
|
||||
(prop_val >= MIN_DIFF_SLOPE_FACTOR))
|
||||
usbcss_hs->diff_slope_factor_times_1000 = prop_val;
|
||||
else
|
||||
dev_dbg(dev, "%s: %s OOB. Default value of %d will be used.\n",
|
||||
__func__, "qcom,usbcss-hs-diff-slope",
|
||||
usbcss_hs->diff_slope_factor_times_1000);
|
||||
} else {
|
||||
dev_dbg(dev, "%s: %s property not found. Default value of %d will be used.\n",
|
||||
__func__, "qcom,usbcss-hs-diff-slope",
|
||||
usbcss_hs->diff_slope_factor_times_1000);
|
||||
}
|
||||
|
||||
/* R_ds(on) */
|
||||
parse_xtalk_param(dev, usbcss_hs->gnd.rdson_mohms, &prop_val, "qcom,usbcss-hs-rdson-6v");
|
||||
usbcss_hs->gnd.rdson_mohms = prop_val;
|
||||
/* R_ds(on) Vgs=3.6V */
|
||||
parse_xtalk_param(dev, usbcss_hs->gnd.rdson_3p6v_mohms, &prop_val,
|
||||
"qcom,usbcss-hs-rdson-3p6v");
|
||||
usbcss_hs->gnd.rdson_3p6v_mohms = prop_val;
|
||||
usbcss_hs->gnd.gnd_ext_fet_delta_mohms = (s32) (usbcss_hs->gnd.rdson_3p6v_mohms -
|
||||
usbcss_hs->gnd.rdson_mohms);
|
||||
/* r_common_gnd_margin */
|
||||
parse_xtalk_param(dev, usbcss_hs->gnd.r_common_gnd_margin, &prop_val,
|
||||
"qcom,usbcss-hs-rcom-margin");
|
||||
usbcss_hs->gnd.r_common_gnd_margin = prop_val;
|
||||
/* r1 */
|
||||
parse_xtalk_param(dev, usbcss_hs->aud.l.r1, &prop_val,
|
||||
"qcom,usbcss-hs-r1-l");
|
||||
usbcss_hs->aud.l.r1 = prop_val;
|
||||
parse_xtalk_param(dev, usbcss_hs->aud.r.r1, &prop_val,
|
||||
"qcom,usbcss-hs-r1-r");
|
||||
usbcss_hs->aud.r.r1 = prop_val;
|
||||
/* r3 */
|
||||
parse_xtalk_param(dev, usbcss_hs->r3, &prop_val,
|
||||
"qcom,usbcss-hs-r3");
|
||||
usbcss_hs->r3 = prop_val;
|
||||
parse_xtalk_param(dev, usbcss_hs->aud.l.r3, &prop_val,
|
||||
"qcom,usbcss-hs-r3-l");
|
||||
usbcss_hs->aud.l.r3 = prop_val;
|
||||
parse_xtalk_param(dev, usbcss_hs->aud.r.r3, &prop_val,
|
||||
"qcom,usbcss-hs-r3-r");
|
||||
usbcss_hs->aud.r.r3 = prop_val;
|
||||
/* r4 */
|
||||
parse_xtalk_param(dev, usbcss_hs->r4, &prop_val,
|
||||
"qcom,usbcss-hs-r4");
|
||||
usbcss_hs->r4 = prop_val;
|
||||
parse_xtalk_param(dev, usbcss_hs->gnd.sbu1.r4, &prop_val,
|
||||
"qcom,usbcss-hs-r4-sbu1");
|
||||
usbcss_hs->gnd.sbu1.r4 = prop_val;
|
||||
parse_xtalk_param(dev, usbcss_hs->gnd.sbu2.r4, &prop_val,
|
||||
"qcom,usbcss-hs-r4-sbu2");
|
||||
usbcss_hs->gnd.sbu2.r4 = prop_val;
|
||||
/* r_gnd_par_route1_mohms and r_gnd_par_route2_mohms */
|
||||
if (usbcss_hs->xtalk_config == XTALK_ANALOG) {
|
||||
parse_xtalk_param(dev, usbcss_hs->r5, &prop_val,
|
||||
"qcom,usbcss-hs-r5");
|
||||
usbcss_hs->r5 = prop_val;
|
||||
usbcss_hs->r_gnd_par_route1_mohms = usbcss_hs->r5 + usbcss_hs->r4;
|
||||
usbcss_hs->r_gnd_par_route2_mohms = 125;
|
||||
} else if (usbcss_hs->xtalk_config == XTALK_DIGITAL) {
|
||||
parse_xtalk_param(dev, usbcss_hs->r6, &prop_val,
|
||||
"qcom,usbcss-hs-r6");
|
||||
usbcss_hs->r6 = prop_val;
|
||||
usbcss_hs->r_gnd_par_route2_mohms = usbcss_hs->r6 + usbcss_hs->r4;
|
||||
parse_xtalk_param(dev, usbcss_hs->r_gnd_par_route1_mohms, &prop_val,
|
||||
"qcom,usbcss-hs-r7");
|
||||
usbcss_hs->r7 = prop_val;
|
||||
usbcss_hs->r_gnd_par_route1_mohms = prop_val;
|
||||
if (usbcss_hs->xtalk.xtalk_config == XTALK_ANALOG) {
|
||||
parse_xtalk_param(dev, usbcss_hs->gnd.sbu1.r5, &prop_val,
|
||||
"qcom,usbcss-hs-r5-sbu1");
|
||||
usbcss_hs->gnd.sbu1.r5 = prop_val;
|
||||
parse_xtalk_param(dev, usbcss_hs->gnd.sbu2.r5, &prop_val,
|
||||
"qcom,usbcss-hs-r5-sbu2");
|
||||
usbcss_hs->gnd.sbu2.r5 = prop_val;
|
||||
usbcss_hs->gnd.sbu1.r_gnd_par_route1_mohms = usbcss_hs->gnd.sbu1.r5 +
|
||||
usbcss_hs->gnd.sbu1.r4;
|
||||
usbcss_hs->gnd.sbu2.r_gnd_par_route1_mohms = usbcss_hs->gnd.sbu2.r5 +
|
||||
usbcss_hs->gnd.sbu2.r4;
|
||||
usbcss_hs->gnd.sbu1.r_gnd_par_route2_mohms = 125;
|
||||
usbcss_hs->gnd.sbu2.r_gnd_par_route2_mohms = 125;
|
||||
} else if (usbcss_hs->xtalk.xtalk_config == XTALK_DIGITAL) {
|
||||
parse_xtalk_param(dev, usbcss_hs->gnd.sbu1.r6, &prop_val,
|
||||
"qcom,usbcss-hs-r6-sbu1");
|
||||
usbcss_hs->gnd.sbu1.r6 = prop_val;
|
||||
parse_xtalk_param(dev, usbcss_hs->gnd.sbu2.r6, &prop_val,
|
||||
"qcom,usbcss-hs-r6-sbu2");
|
||||
usbcss_hs->gnd.sbu2.r6 = prop_val;
|
||||
usbcss_hs->gnd.sbu1.r_gnd_par_route2_mohms = usbcss_hs->gnd.sbu1.r6 +
|
||||
usbcss_hs->gnd.sbu1.r4;
|
||||
usbcss_hs->gnd.sbu2.r_gnd_par_route2_mohms = usbcss_hs->gnd.sbu2.r6 +
|
||||
usbcss_hs->gnd.sbu2.r4;
|
||||
parse_xtalk_param(dev, usbcss_hs->gnd.sbu1.r7, &prop_val,
|
||||
"qcom,usbcss-hs-r7-sbu1");
|
||||
usbcss_hs->gnd.sbu1.r7 = prop_val;
|
||||
usbcss_hs->gnd.sbu1.r_gnd_par_route1_mohms = prop_val;
|
||||
parse_xtalk_param(dev, usbcss_hs->gnd.sbu2.r7, &prop_val,
|
||||
"qcom,usbcss-hs-r7-sbu2");
|
||||
usbcss_hs->gnd.sbu2.r7 = prop_val;
|
||||
usbcss_hs->gnd.sbu2.r_gnd_par_route1_mohms = prop_val;
|
||||
}
|
||||
|
||||
/* Compute total resistances */
|
||||
usbcss_hs->r_gnd_par_tot_mohms = usbcss_hs->r_gnd_par_route1_mohms +
|
||||
usbcss_hs->r_gnd_par_route2_mohms;
|
||||
usbcss_hs->r_gnd_sbu1_res_tot_mohms = get_r_gnd_res_tot_mohms(
|
||||
usbcss_hs->r_gnd_sbu1_int_fet_mohms,
|
||||
usbcss_hs->r_gnd_ext_fet_mohms,
|
||||
usbcss_hs->r_gnd_par_tot_mohms);
|
||||
usbcss_hs->r_gnd_sbu2_res_tot_mohms = get_r_gnd_res_tot_mohms(
|
||||
usbcss_hs->r_gnd_sbu2_int_fet_mohms,
|
||||
usbcss_hs->r_gnd_ext_fet_mohms,
|
||||
usbcss_hs->r_gnd_par_tot_mohms);
|
||||
usbcss_hs->r_aud_res_tot_l_mohms = get_r_aud_res_tot_mohms(
|
||||
usbcss_hs->r_aud_int_fet_l_mohms,
|
||||
usbcss_hs->r_aud_ext_fet_l_mohms);
|
||||
usbcss_hs->r_aud_res_tot_r_mohms = get_r_aud_res_tot_mohms(
|
||||
usbcss_hs->r_aud_int_fet_r_mohms,
|
||||
usbcss_hs->r_aud_ext_fet_r_mohms);
|
||||
usbcss_hs->gnd.sbu1.r_gnd_par_tot_mohms = usbcss_hs->gnd.sbu1.r_gnd_par_route1_mohms +
|
||||
usbcss_hs->gnd.sbu1.r_gnd_par_route2_mohms;
|
||||
usbcss_hs->gnd.sbu2.r_gnd_par_tot_mohms = usbcss_hs->gnd.sbu2.r_gnd_par_route1_mohms +
|
||||
usbcss_hs->gnd.sbu2.r_gnd_par_route2_mohms;
|
||||
usbcss_hs->gnd.sbu1.r_gnd_res_tot_mohms = get_r_gnd_res_tot_mohms(
|
||||
usbcss_hs->gnd.sbu1.r_gnd_int_fet_mohms,
|
||||
usbcss_hs->gnd.r_gnd_ext_fet_mohms,
|
||||
usbcss_hs->gnd.sbu1.r_gnd_par_tot_mohms);
|
||||
usbcss_hs->gnd.sbu2.r_gnd_res_tot_mohms = get_r_gnd_res_tot_mohms(
|
||||
usbcss_hs->gnd.sbu2.r_gnd_int_fet_mohms,
|
||||
usbcss_hs->gnd.r_gnd_ext_fet_mohms,
|
||||
usbcss_hs->gnd.sbu2.r_gnd_par_tot_mohms);
|
||||
usbcss_hs->aud.l.r_aud_res_tot_mohms = get_r_aud_res_tot_mohms(
|
||||
usbcss_hs->aud.l.r_aud_int_fet_mohms,
|
||||
usbcss_hs->aud.l.r_aud_ext_fet_mohms,
|
||||
usbcss_hs->aud.l.r3);
|
||||
usbcss_hs->aud.r.r_aud_res_tot_mohms = get_r_aud_res_tot_mohms(
|
||||
usbcss_hs->aud.r.r_aud_int_fet_mohms,
|
||||
usbcss_hs->aud.r.r_aud_ext_fet_mohms,
|
||||
usbcss_hs->aud.r.r3);
|
||||
|
||||
/* Fill r_common_gnd buffer */
|
||||
r_common_gnd_mohms = usbcss_hs->gnd.rdson_mohms +
|
||||
(usbcss_hs->gnd.sbu1.r_gnd_par_route2_mohms +
|
||||
usbcss_hs->gnd.sbu2.r_gnd_par_route2_mohms) / 2;
|
||||
fill_r_common_gnd_buffer(usbcss_hs, r_common_gnd_mohms);
|
||||
|
||||
/* Determine min val used for linearizer audio tap calculations */
|
||||
if (usbcss_hs->gnd.rdson_3p6v_mohms < GND_EXT_FET_MARGIN_MOHMS)
|
||||
usbcss_hs->gnd.gnd_ext_fet_min_mohms = 0;
|
||||
else if ((usbcss_hs->gnd.rdson_3p6v_mohms - GND_EXT_FET_MARGIN_MOHMS)
|
||||
< GND_EXT_FET_MARGIN_MOHMS)
|
||||
usbcss_hs->gnd.gnd_ext_fet_min_mohms = usbcss_hs->gnd.rdson_3p6v_mohms -
|
||||
GND_EXT_FET_MARGIN_MOHMS;
|
||||
else
|
||||
usbcss_hs->gnd.gnd_ext_fet_min_mohms = GND_EXT_FET_MARGIN_MOHMS;
|
||||
|
||||
/* Set linearizer calibration codes to be sourced from SW */
|
||||
wcd_usbss_linearizer_rdac_cal_code_select(LINEARIZER_SOURCE_SW);
|
||||
|
||||
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