ASoC: wm_adsp: Handle old .bin files

Older .bin files report the global coefficients as absolute address writes
to zero; maintain compatibility with them.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c
index f3f7e75..febb4c7 100644 (file)
--- a/sound/soc/codecs/wm_adsp.c
+++ b/sound/soc/codecs/wm_adsp.c
@@ -549,8 +549,9 @@ static int wm_adsp_setup_algs(struct wm_adsp *dsp)
                buf_size = sizeof(adsp1_id);
 
                algs = be32_to_cpu(adsp1_id.algs);
+               dsp->fw_id = be32_to_cpu(adsp1_id.fw.id);
                adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
-                         be32_to_cpu(adsp1_id.fw.id),
+                         dsp->fw_id,
                          (be32_to_cpu(adsp1_id.fw.ver) & 0xff0000) >> 16,
                          (be32_to_cpu(adsp1_id.fw.ver) & 0xff00) >> 8,
                          be32_to_cpu(adsp1_id.fw.ver) & 0xff,
@@ -573,8 +574,9 @@ static int wm_adsp_setup_algs(struct wm_adsp *dsp)
                buf_size = sizeof(adsp2_id);
 
                algs = be32_to_cpu(adsp2_id.algs);
+               dsp->fw_id = be32_to_cpu(adsp2_id.fw.id);
                adsp_info(dsp, "Firmware: %x v%d.%d.%d, %zu algorithms\n",
-                         be32_to_cpu(adsp2_id.fw.id),
+                         dsp->fw_id,
                          (be32_to_cpu(adsp2_id.fw.ver) & 0xff0000) >> 16,
                          (be32_to_cpu(adsp2_id.fw.ver) & 0xff00) >> 8,
                          be32_to_cpu(adsp2_id.fw.ver) & 0xff,
@@ -781,8 +783,24 @@ static int wm_adsp_load_coeff(struct wm_adsp *dsp)
                case (WMFW_INFO_TEXT << 8):
                        break;
                case (WMFW_ABSOLUTE << 8):
-                       region_name = "register";
-                       reg = offset;
+                       /*
+                        * Old files may use this for global
+                        * coefficients.
+                        */
+                       if (le32_to_cpu(blk->id) == dsp->fw_id &&
+                           offset == 0) {
+                               region_name = "global coefficients";
+                               mem = wm_adsp_find_region(dsp, type);
+                               if (!mem) {
+                                       adsp_err(dsp, "No ZM\n");
+                                       break;
+                               }
+                               reg = wm_adsp_region_to_reg(mem, 0);
+
+                       } else {
+                               region_name = "register";
+                               reg = offset;
+                       }
                        break;
 
                case WMFW_ADSP1_DM:

diff --git a/sound/soc/codecs/wm_adsp.h b/sound/soc/codecs/wm_adsp.h
index cb8871a..d6fd8af 100644 (file)
--- a/sound/soc/codecs/wm_adsp.h
+++ b/sound/soc/codecs/wm_adsp.h
@@ -46,6 +46,8 @@ struct wm_adsp {
 
        struct list_head alg_regions;
 
+       int fw_id;
+
        const struct wm_adsp_region *mem;
        int num_mems;