8 // enable SSI output pins!
12  *	The SSI unit has only one physical data line, so full duplex is
14  *	other SSI unit for recording; however the SH7780 has only 1 SSI
18  *	The SSI features "compressed mode": in this mode it continuously
57 #define CR_MUTE		(1 << 3)	/* SSI mute */
60 #define CR_EN		(1 << 0)	/* enable SSI */
62 #define SSIREG(reg)	(*(unsigned long *)(ssi->mmio + (reg)))
86  * track usage of the SSI; it is simplex-only so prevent attempts of
92 	struct ssi_priv *ssi = &ssi_cpu_data[dai->id];  in ssi_startup()  local
93 	if (ssi->inuse) {  in ssi_startup()
94 		pr_debug("ssi: already in use!\n");  in ssi_startup()
97 		ssi->inuse = 1;  in ssi_startup()
104 	struct ssi_priv *ssi = &ssi_cpu_data[dai->id];  in ssi_shutdown()  local
106 	ssi->inuse = 0;  in ssi_shutdown()
112 	struct ssi_priv *ssi = &ssi_cpu_data[dai->id];  in ssi_trigger()  local
132 	struct ssi_priv *ssi = &ssi_cpu_data[dai->id];  in ssi_hw_params()  local
152 		pr_debug("ssi: invalid number of channels\n");  in ssi_hw_params()
169 		pr_debug("ssi: invalid sample width\n");  in ssi_hw_params()
183 		bits = 24;	/* these are padded by the SSI */  in ssi_hw_params()
198 		pr_debug("ssi: invalid system word length computed\n");  in ssi_hw_params()
211 	struct ssi_priv *ssi = &ssi_cpu_data[cpu_dai->id];  in ssi_set_sysclk()  local
213 	ssi->sysclk = freq;  in ssi_set_sysclk()
224 	struct ssi_priv *ssi = &ssi_cpu_data[dai->id];  in ssi_set_clkdiv()  local
238 		pr_debug("ssi: invalid sck divider %d\n", div);  in ssi_set_clkdiv()
247 	struct ssi_priv *ssi = &ssi_cpu_data[dai->id];  in ssi_set_fmt()  local
265 		pr_debug("ssi: unsupported format\n");  in ssi_set_fmt()
290 		pr_debug("ssi: invalid inversion\n");  in ssi_set_fmt()
307 		pr_debug("ssi: invalid master/secondary configuration\n");  in ssi_set_fmt()
317 /* the SSI depends on an external clocksource (at HAC_BIT_CLK) even in
318  * Master mode,  so really this is board specific;  the SSI can do any
324 /* the SSI can do 8-32 bit samples, with 8 possible channels */
344 	.name			= "ssi-dai.0",
361 	.name			= "ssi-dai.1",
380 	.name			= "sh4-ssi",
393 			.name = "sh4-ssi-dai",
402 MODULE_DESCRIPTION("SuperH onchip SSI (I2S) audio driver");