diff options
Diffstat (limited to 'drivers/net/wireless/ti/wl18xx/main.c')
-rw-r--r-- | drivers/net/wireless/ti/wl18xx/main.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 7aa0eb848c5..b47eb620f2f 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -623,6 +623,18 @@ static const int wl18xx_rtable[REG_TABLE_LEN] = { [REG_RAW_FW_STATUS_ADDR] = WL18XX_FW_STATUS_ADDR, }; +static const struct wl18xx_clk_cfg wl18xx_clk_table_coex[NUM_CLOCK_CONFIGS] = { + [CLOCK_CONFIG_16_2_M] = { 8, 121, 0, 0, false }, + [CLOCK_CONFIG_16_368_M] = { 8, 120, 0, 0, false }, + [CLOCK_CONFIG_16_8_M] = { 8, 117, 0, 0, false }, + [CLOCK_CONFIG_19_2_M] = { 10, 128, 0, 0, false }, + [CLOCK_CONFIG_26_M] = { 11, 104, 0, 0, false }, + [CLOCK_CONFIG_32_736_M] = { 8, 120, 0, 0, false }, + [CLOCK_CONFIG_33_6_M] = { 8, 117, 0, 0, false }, + [CLOCK_CONFIG_38_468_M] = { 10, 128, 0, 0, false }, + [CLOCK_CONFIG_52_M] = { 11, 104, 0, 0, false }, +}; + static const struct wl18xx_clk_cfg wl18xx_clk_table[NUM_CLOCK_CONFIGS] = { [CLOCK_CONFIG_16_2_M] = { 7, 104, 801, 4, true }, [CLOCK_CONFIG_16_368_M] = { 9, 132, 3751, 4, true }, @@ -704,6 +716,23 @@ static int wl18xx_set_clk(struct wl1271 *wl) wl18xx_clk_table[clk_freq].p, wl18xx_clk_table[clk_freq].q, wl18xx_clk_table[clk_freq].swallow ? "swallow" : "spit"); + /* coex PLL configuration */ + ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_N, + wl18xx_clk_table_coex[clk_freq].n); + if (ret < 0) + goto out; + + ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_M, + wl18xx_clk_table_coex[clk_freq].m); + if (ret < 0) + goto out; + + /* bypass the swallowing logic */ + ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_SWALLOW_EN, + PLLSH_COEX_PLL_SWALLOW_EN_VAL1); + if (ret < 0) + goto out; + ret = wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_N, wl18xx_clk_table[clk_freq].n); if (ret < 0) @@ -745,6 +774,30 @@ static int wl18xx_set_clk(struct wl1271 *wl) PLLSH_WCS_PLL_SWALLOW_EN_VAL2); } + /* choose WCS PLL */ + ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_SEL, + PLLSH_WL_PLL_SEL_WCS_PLL); + if (ret < 0) + goto out; + + /* enable both PLLs */ + ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL1); + if (ret < 0) + goto out; + + udelay(1000); + + /* disable coex PLL */ + ret = wl18xx_top_reg_write(wl, PLLSH_WL_PLL_EN, PLLSH_WL_PLL_EN_VAL2); + if (ret < 0) + goto out; + + /* reset the swallowing logic */ + ret = wl18xx_top_reg_write(wl, PLLSH_COEX_PLL_SWALLOW_EN, + PLLSH_COEX_PLL_SWALLOW_EN_VAL2); + if (ret < 0) + goto out; + out: return ret; } |