5  * TI OMAP3 ISP - Histogram module
21 #include "isp.h"
32 	struct isp_device *isp = hist->isp;  in hist_reset_mem()  local
36 	isp_reg_writel(isp, 0, OMAP3_ISP_IOMEM_HIST, ISPHIST_ADDR);  in hist_reset_mem()
42 	isp_reg_set(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_CNT, ISPHIST_CNT_CLEAR);  in hist_reset_mem()
49 		isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA);  in hist_reset_mem()
50 		isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA);  in hist_reset_mem()
51 		isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA);  in hist_reset_mem()
52 		isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA);  in hist_reset_mem()
54 	isp_reg_clr(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_CNT, ISPHIST_CNT_CLEAR);  in hist_reset_mem()
64 	struct isp_device *isp = hist->isp;  in hist_setup_regs()  local
123 	isp_reg_writel(isp, cnt, OMAP3_ISP_IOMEM_HIST, ISPHIST_CNT);  in hist_setup_regs()
124 	isp_reg_writel(isp, wb_gain,  OMAP3_ISP_IOMEM_HIST, ISPHIST_WB_GAIN);  in hist_setup_regs()
125 	isp_reg_writel(isp, reg_hor[0], OMAP3_ISP_IOMEM_HIST, ISPHIST_R0_HORZ);  in hist_setup_regs()
126 	isp_reg_writel(isp, reg_ver[0], OMAP3_ISP_IOMEM_HIST, ISPHIST_R0_VERT);  in hist_setup_regs()
127 	isp_reg_writel(isp, reg_hor[1], OMAP3_ISP_IOMEM_HIST, ISPHIST_R1_HORZ);  in hist_setup_regs()
128 	isp_reg_writel(isp, reg_ver[1], OMAP3_ISP_IOMEM_HIST, ISPHIST_R1_VERT);  in hist_setup_regs()
129 	isp_reg_writel(isp, reg_hor[2], OMAP3_ISP_IOMEM_HIST, ISPHIST_R2_HORZ);  in hist_setup_regs()
130 	isp_reg_writel(isp, reg_ver[2], OMAP3_ISP_IOMEM_HIST, ISPHIST_R2_VERT);  in hist_setup_regs()
131 	isp_reg_writel(isp, reg_hor[3], OMAP3_ISP_IOMEM_HIST, ISPHIST_R3_HORZ);  in hist_setup_regs()
132 	isp_reg_writel(isp, reg_ver[3], OMAP3_ISP_IOMEM_HIST, ISPHIST_R3_VERT);  in hist_setup_regs()
143 		isp_reg_set(hist->isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_PCR,  in hist_enable()
145 		omap3isp_subclk_enable(hist->isp, OMAP3_ISP_SUBCLK_HIST);  in hist_enable()
147 		isp_reg_clr(hist->isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_PCR,  in hist_enable()
149 		omap3isp_subclk_disable(hist->isp, OMAP3_ISP_SUBCLK_HIST);  in hist_enable()
155 	return isp_reg_readl(hist->isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_PCR)  in hist_busy()
165 	isp_reg_clr(hist->isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_CNT,  in hist_dma_cb()
170 		omap3isp_hist_dma_done(hist->isp);  in hist_dma_cb()
182 		dev_dbg(hist->isp->dev, "hist: invalid DMA buffer address\n");  in hist_buf_dma()
186 	isp_reg_writel(hist->isp, 0, OMAP3_ISP_IOMEM_HIST, ISPHIST_ADDR);  in hist_buf_dma()
187 	isp_reg_set(hist->isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_CNT,  in hist_buf_dma()
189 	omap3isp_flush(hist->isp);  in hist_buf_dma()
192 	cfg.src_addr = hist->isp->mmio_hist_base_phys + ISPHIST_DATA;  in hist_buf_dma()
198 		dev_dbg(hist->isp->dev,  in hist_buf_dma()
207 		dev_dbg(hist->isp->dev,  in hist_buf_dma()
216 		dev_dbg(hist->isp->dev, "hist: DMA submission failed\n");  in hist_buf_dma()
231 	struct isp_device *isp = hist->isp;  in hist_buf_pio()  local
236 		dev_dbg(isp->dev, "hist: invalid PIO buffer address\n");  in hist_buf_pio()
241 	isp_reg_writel(isp, 0, OMAP3_ISP_IOMEM_HIST, ISPHIST_ADDR);  in hist_buf_pio()
248 	isp_reg_set(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_CNT, ISPHIST_CNT_CLEAR);  in hist_buf_pio()
256 		*buf++ = isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA);  in hist_buf_pio()
257 		*buf++ = isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA);  in hist_buf_pio()
258 		*buf++ = isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA);  in hist_buf_pio()
259 		*buf++ = isp_reg_readl(isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_DATA);  in hist_buf_pio()
261 	isp_reg_clr(hist->isp, OMAP3_ISP_IOMEM_HIST, ISPHIST_CNT,  in hist_buf_pio()
268  * hist_buf_process - Callback from ISP driver for HIST interrupt.
474 int omap3isp_hist_init(struct isp_device *isp)  in omap3isp_hist_init()  argument
476 	struct ispstat *hist = &isp->isp_hist;  in omap3isp_hist_init()
484 	hist->isp = isp;  in omap3isp_hist_init()
505 			dev_warn(isp->dev,  in omap3isp_hist_init()
508 			dev_dbg(isp->dev, "hist: using DMA channel %s\n",  in omap3isp_hist_init()
532 void omap3isp_hist_cleanup(struct isp_device *isp)  in omap3isp_hist_cleanup()  argument
534 	struct ispstat *hist = &isp->isp_hist;  in omap3isp_hist_cleanup()