This patch switches to use DM timer framework instead of
a custom one for GPT timers, currently dsp can make use of
gpt 5, 6, 7 or 8.

Signed-off-by: Omar Ramirez Luna <[email protected]>
---
 drivers/dsp/bridge/services/clk.c   |   25 ++++++++++++-----------
 drivers/dsp/bridge/wmd/tiomap3430.c |   36 -----------------------------------
 2 files changed, 13 insertions(+), 48 deletions(-)

diff --git a/drivers/dsp/bridge/services/clk.c 
b/drivers/dsp/bridge/services/clk.c
index 9c994d3..37739a9 100644
--- a/drivers/dsp/bridge/services/clk.c
+++ b/drivers/dsp/bridge/services/clk.c
@@ -18,6 +18,7 @@
 
 /*  ----------------------------------- Host OS */
 #include <dspbridge/host_os.h>
+#include <plat/dmtimer.h>
 
 /*  ----------------------------------- DSP/BIOS Bridge */
 #include <dspbridge/std.h>
@@ -47,24 +48,21 @@
 #define MCBSP_CLK      3
 #define SSI_CLK                4
 
+/*
+ * Bridge specific DM Timer macro.
+ * Bridge GPT id (1 - 4), DM Timer id (5 - 8)
+ */
+#define DMT_ID(id) ((id) + 4)
+
 struct dsp_clk_t {
        struct clk *clk_handle;
        const char *clk_name;
        int id;
 };
 
-/* The row order of the below array needs to match with the clock enumerations
- * 'dsp_clk_id' provided in the header file.. any changes in the
- * enumerations needs to be fixed in the array as well */
+static struct omap_dm_timer *timer[4];
+
 static struct dsp_clk_t dsp_clks[] = {
-       {NULL, "gpt5_fck", -1},
-       {NULL, "gpt5_ick", -1},
-       {NULL, "gpt6_fck", -1},
-       {NULL, "gpt6_ick", -1},
-       {NULL, "gpt7_fck", -1},
-       {NULL, "gpt7_ick", -1},
-       {NULL, "gpt8_fck", -1},
-       {NULL, "gpt8_ick", -1},
        {NULL, "wdt_fck", 3},
        {NULL, "wdt_ick", 3},
        {NULL, "mcbsp_fck", 1},
@@ -79,7 +77,6 @@ static struct dsp_clk_t dsp_clks[] = {
        {NULL, "mcbsp_ick", 5},
        {NULL, "ssi_ssr_sst_fck", -1},
        {NULL, "ssi_ick", -1},
-       {NULL, ""}
 };
 
 struct clk *iva2_clk;
@@ -146,6 +143,8 @@ dsp_status dsp_clk_enable(IN enum dsp_clk_id clk_id)
                clk_enable(iva2_clk);
                break;
        case GPT_CLK:
+               timer[clk_id] = omap_dm_timer_request_specific(DMT_ID(clk_id));
+               break;
        case MCBSP_CLK:
        case WDT_CLK:
        case SSI_CLK:
@@ -192,6 +191,8 @@ dsp_status dsp_clk_disable(IN enum dsp_clk_id clk_id)
                clk_disable(iva2_clk);
                break;
        case GPT_CLK:
+               omap_dm_timer_free(timer[clk_id]);
+               break;
        case MCBSP_CLK:
        case WDT_CLK:
        case SSI_CLK:
diff --git a/drivers/dsp/bridge/wmd/tiomap3430.c 
b/drivers/dsp/bridge/wmd/tiomap3430.c
index bb78df2..38338d1 100644
--- a/drivers/dsp/bridge/wmd/tiomap3430.c
+++ b/drivers/dsp/bridge/wmd/tiomap3430.c
@@ -392,9 +392,6 @@ static dsp_status bridge_brd_start(struct wmd_dev_context 
*hDevContext,
        u32 clk_cmd;
        struct io_mgr *hio_mgr;
        u32 ul_load_monitor_timer;
-       u32 ext_clk_id = 0;
-       u32 tmp_index;
-       u32 clk_id_index = MBX_PM_MAX_RESOURCES;
        struct dspbridge_platform_data *pdata =
                                omap_dspbridge_dev->dev.platform_data;
 
@@ -529,25 +526,9 @@ static dsp_status bridge_brd_start(struct wmd_dev_context 
*hDevContext,
 
        if (DSP_SUCCEEDED(status)) {
                if (ul_load_monitor_timer != 0xFFFF) {
-                       clk_cmd = (BPWR_DISABLE_CLOCK << MBX_PM_CLK_CMDSHIFT) |
-                           ul_load_monitor_timer;
-
-                       dsp_peripheral_clk_ctrl(dev_context, &clk_cmd);
-
-                       ext_clk_id = clk_cmd & MBX_PM_CLK_IDMASK;
-                       for (tmp_index = 0; tmp_index < MBX_PM_MAX_RESOURCES;
-                            tmp_index++) {
-                               if (ext_clk_id == bpwr_clkid[tmp_index]) {
-                                       clk_id_index = tmp_index;
-                                       break;
-                               }
-                       }
-
                        clk_cmd = (BPWR_ENABLE_CLOCK << MBX_PM_CLK_CMDSHIFT) |
                            ul_load_monitor_timer;
-
                        dsp_peripheral_clk_ctrl(dev_context, &clk_cmd);
-
                } else {
                        dev_dbg(bridge, "Not able to get the symbol for Load "
                                "Monitor Timer\n");
@@ -556,26 +537,9 @@ static dsp_status bridge_brd_start(struct wmd_dev_context 
*hDevContext,
 
        if (DSP_SUCCEEDED(status)) {
                if (ul_bios_gp_timer != 0xFFFF) {
-                       clk_cmd = (BPWR_DISABLE_CLOCK << MBX_PM_CLK_CMDSHIFT) |
-                           ul_bios_gp_timer;
-
-                       dsp_peripheral_clk_ctrl(dev_context, &clk_cmd);
-
-                       ext_clk_id = clk_cmd & MBX_PM_CLK_IDMASK;
-
-                       for (tmp_index = 0; tmp_index < MBX_PM_MAX_RESOURCES;
-                            tmp_index++) {
-                               if (ext_clk_id == bpwr_clkid[tmp_index]) {
-                                       clk_id_index = tmp_index;
-                                       break;
-                               }
-                       }
-
                        clk_cmd = (BPWR_ENABLE_CLOCK << MBX_PM_CLK_CMDSHIFT) |
                            ul_bios_gp_timer;
-
                        dsp_peripheral_clk_ctrl(dev_context, &clk_cmd);
-
                } else {
                        dev_dbg(bridge,
                                "Not able to get the symbol for BIOS Timer\n");
-- 
1.6.0.4

--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to